Search Constraints
You searched for:
Materials & Techniques graphite
Remove constraint Materials & Techniques: graphitePeriod 18th century
Remove constraint Period: 18th centuryWork Type watercolor
Remove constraint Work Type: watercolorSearch Results
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink, graphite and gouache on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink over graphite on moderately thick, slightly textured, cream wove paper with letterpress inset
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
26. "With screaming Horror's funeral cry, Despair, and fell Disease, and ghastly Poverty..." Design 39)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink over graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
29. "Yet oft before his infant eyes would run Such forms as glitter in the Muse's ray..." (Design 51)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
35. Fame (Design 93)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
38. The Pensive Selima, "Her ears of jet, and emerald eyes, She saw; and purr'd applause..." (Design 9)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
46. "Some kindred spirit shall inquire thy fate, Haply some hoary-headed swain may say..." (Design 113)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
53. "The laughing flowers, that round them blow, Drink life and fragrance as they flow..." (Design 43)
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- between 1797 and 1798
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on moderately thick, slightly textured, cream wove paper with inlaid letterpress page
- Dimensions:
- Sheet: 16 1/2 x 12 3/4 inches (41.9 x 32.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- ca. 1780
- Materials & Techniques:
- Pen and black ink with gray wash, black wash and graphite on moderately thick, moderately textured, cream laid paper
- Dimensions:
- Sheet: 26 x 12 1/4 inches (66 x 31.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- 1784 to 1785
- Materials & Techniques:
- Graphite with pen and gray ink and gray wash on medium, slightly textured, cream laid paper
- Dimensions:
- Sheet: 9 1/4 x 13 1/4 inches (23.5 x 33.7 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection