Classification. Class P, subclass PA supplement: Byzantine and modern Greek literature, medieval and modern Latin literature (with supplementary page). - U. S. Library of Congress Subject Cataloging Division (Washington U. S. Government Printing Office, 1956)
"Additions and changes to July 1955" : pages 25.
Keywords: Classification -- Books -- Byzantine literature; Classification -- Books -- Greek literature, Modern; Classification -- Books -- Latin literature, Medieval and modern