Klee, Paul, and James Thrall Soby. 1945. The Prints of Paul Klee. New York: C. Valentin. (01) Virgin on the Tree, Jungfrau im Baum. RB NE654.K47 S6 1945.
Featuring plates of facsimile impressions of 40 lithographs and etchings, The Prints of Paul Klee was first published in the summer of 1945 by the art dealer Curt Valentin. More