Classification. Class P, subclass PT, Part 1: German literature, wit h supplementary pages. - Library of Congress. Subject Cataloging Division; Library of Congress. Classification Division; Gale Research Company (Washington, 1938)
First published in 1938, by the Classification Division, under title : Classification. Subclass PT, part 1, German literature.
Keywords: Classification -- Books -- German literature; German literature -- Bibliography -- Methodology; Classification, Library of Congress