Marginal punched cards in college and research libraries.

Bibliographic Details
Main Author:	McGaw, Howard F., 1911-
Format:	Book
Language:	English
Published:	Washington : Scarecrow Press, 1952.
Subjects:	Punched card systems > Libraries. Academic libraries.

Description
Physical Description:	218 pages : illustrations ; 23 cm.
Bibliography:	Bibliography: pages 203-208.