In the following collections:
Columbia University
Northwestern University
Harvard University
Sabinet
Yale University
Library of Congress. Call number N7433.3 G56
Smithsonian Institution
National Gallery of Art. Washington. Owns No. 39 signed by the author. Call number N7433.3 A79
On Collecting Artists' Books and the Nature of the Book Jack M. Ginsberg (essay by) p3
Some Thoughts on Artists' Books in General and the Exhibition in Particular David Murray Paton (essay by) p70