Report on Project history retrieval : tests and demonstrations of an optic-coincidence system of information retrieval for historical materials / Elizabeth Ingerman Wood. Project history retrieval Wood, Elizabeth Ingerman. Drexel Institute of Technology. Graduate School of Library Science. Henry Francis du Pont Winterthur Museum. Information storage and retrieval systems. Coordinate indexing. Punched card systems History. Z674 .D7 no. 14 010.78 WOR The Project is sponsored jointly by The Henry Francis du Pont Winterthur Museum and Drexel Institute of Technology, Graduate School of Library Science, with a grant by the Copeland-Andelot Foundation. Includes bibliographical references. Philadelphia : Drexel Institute of Technology, 1966. 1966. 1966 Text xiii, 123 p. (1 folded) : eng Drexel Library School series ; no. 14