Library of Congress. Subject Cataloging Division, Classification, 1951; reprinted, 1966
- Classification. Class L: Education.
- 3d ed.
- Washington, 1951; reprinted, 1966.
- Physical Description:
- 200, 69 p.
- Reference LibraryZ696 U5L 1966 (LC)Accessible in the Reference Library [Hours]
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- Subject Terms:
- Classification -- Books -- Education.Classification, Library of Congress.