First ed. published in 1902 by the Classification Division of the Library of Congress. "Additions and changes to October 1964": 61 p. at end.

Library & Information Science Research explores information services and systems provided by libraries and other information organizations for various audiences with specializations that include ...

At head of title: Library of Congress. First edition 1902 and second edition, 1910, were the work of Mr. Charles Martel, then chief classifier. Additions and revisions have been made by Miss H.K.