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Bibliographic Details
Main Author:	Downs, Robert B. (Robert Bingham), 1903-1991
Other Authors:	Keller, Clara D., 1934-
Format:	Book
Language:	English
Published:	Urbana : University of Illinois Press, [1975]
Edition:	2d ed.
Subjects:	Reference books > Bibliography. Libraries > Handbooks, manuals, etc.