Search Constraints
Search Results
- Date:
- undated
- Materials & Techniques:
- Watercolor with scraping over graphite on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 11 15/16 × 19 1/2 inches (30.4 × 49.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Materials & Techniques:
- Watercolor on moderately thick, slightly textured, cream wove paper
- Dimensions:
- Sheet: 14 13/16 × 19 5/16 inches (37.7 × 49 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Yale University Art Gallery Collection
- Date:
- ca. 1850
- Materials & Techniques:
- Watercolor with gouache over graphite on thick, moderately textured, cream wove paper
- Dimensions:
- Sheet: 6 15/16 × 19 1/8 inches (17.7 × 48.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- undated
- Materials & Techniques:
- Watercolor over graphite on moderately thick, moderately textured, beige wove paper
- Dimensions:
- Sheet: 9 3/4 × 19 3/8 inches (24.8 × 49.2 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 1/4 inches (16.2 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
10. Torbay, Devon
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Materials & Techniques:
- Hand-colored engraving on wove paper
- Dimensions:
- Plate: 10 1/2 × 16 inches (26.7 × 40.6 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with black ink on medium, slightly textured, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/4 inches (16.5 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
16. Lancaster Castle
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink and graphite on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 1/4 inches (16.2 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor, graphite and pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/4 inches (16.5 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 5/8 x 9 3/8 inches (16.8 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
29. Whitby Yorkshire
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
30. Hull, Yorkshire
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/4 inches (16.5 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
33. Leith
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 5/8 x 9 3/8 inches (16.8 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
39. The Bass Rock
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 5/8 x 9 1/2 inches (16.8 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 5/8 inches (16.5 x 24.4 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
43. Brighton
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
47. Ramsgate
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 1/4 inches (16.2 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
50. Weymouth
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
52. Exmouth, Devon
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
53. Pier at Margate
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
55. Sherness
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/4 inches (16.5 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
58. Lulworth Cove
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/4 inches (16.5 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor, graphite and pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 3/8 inches (16.2 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/4 x 9 1/4 inches (15.9 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 3/8 x 9 1/4 inches (16.2 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/4 x 9 1/4 inches (15.9 x 23.5 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 1/2 inches (16.5 x 24.1 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
71. The Reculvers
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Date:
- after 1814
- Materials & Techniques:
- Watercolor with pen and black ink on medium, smooth, cream wove paper
- Dimensions:
- Sheet: 6 1/2 x 9 3/8 inches (16.5 x 23.8 cm)
- Collection:
- Prints and Drawings
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection