Century 21 Exposition (1962 Seattle, Wash.)
United States. Congress. House. Committee on Science and Astronautics.
Needham & Grohmann, Inc.
William Ross Cotter
Bill Cotter
Jim Lynch
Taylor, James B.
American Library Association
Harold Mansfield
Duncan, Don
Florence Moyer
University of Washington. School of Librarianship.
American Library Association. Reference Services Division.
Unknown Author
Murray Cromwell Morgan
Paula Becker
United States. Office of Commissioner, U.S. Science Exhibit-Century 21 Exposition, Seattle, 1962.