Bloch, Albert To Frederick Zimmermann, Lawrence, Kansas, 3 Nov 1954-21 June 1957, 4 (a.l.s.), 1 (a.n.s.), 1 (a.p.c.s.)
Bloch, Anna Francis To Frederick Zimmermann, Lawrence, Kansas, 22 Nov-16 Dec 1954, 3 (t.l.s.)
Burliuk, David and Mary To Curt Valentine Gallery, Brandenton, Florida, 27 Dec 1954, 1 (a.p.c.s.)
[A painting by Burliuk is on the verso of the card.]
Capendonk, Heinrich To Mrs. Quappi Beckmann, Amsterdam, 29 Oct 7 Nov 1954, 2 (a.l.s.)
[With related correspondence from Mrs. Beckmann.]
Flannagan, John B. To Curt Valentin, Boston and New York, Jan-Sept 1941, 3 (t.l.s.), 6 (a.l.s.), 1 (a.p.c.s.)
Flannagan, John B. Attribution to Curt Valentin of the right of reproduction of his works of sculpture, New York, 11 June 1941, 1 (t.d.s.)
Grosz, Eva To Dorothy and Frederick Zimmermann, Douglaston, New York and Berlin, 1946 1947 1960, 2 (a.l.s.), 1 (p.l.)
Grosz, George To Frederick Zimmermann, New York, Douglaston, and Huntington, NY; Cape Cod, Wellfleet, and South Yarmouth, MA; Berlin, ca.1933 1941-149 1953 1956 1959, 12 (a.l.s.), 5 (a.n.s.), 3 (t.l.s.), 3 (a.p.c.s.), 1 (t.p.c.s.), 2 (p.l.)
Kandinsky, Nina To Curt Valentin Gallery, Neuilly-sur-Seine, France, 17 Feb 1955, 1 (t.l.s.)
Klee, Paul To Curt Valentin, Bern, 1 Jan 1940, 1 (a.l.s.)
Klee, Paul To [Charles Frederic?] Weller, Bern, 25 Aug 1939, 1 (a.l.s.)
Mann, Thomas Dinner Menu, Lake Mohonk House, Lake Mohonk, NY, 19 June 1945, 1 (p.d.s.)
Münter, Gabriele To Frederick Zimmermann, Murnau, Germany, 1954-1955 1957-1959, 7 (a.l.s.), 5 (a.p.c.s.)
Pasternak, Boris To Frederick Zimmermann, Moscow, 9 Sept 1959, 1 (a.n.s.)
Valentin, Curt To Dorothy and Frederick Zimmermann, Forte dei Marmi, Italy, 2 Aug 1954, 1 (a.p.c.s.)
Curt Valentin Gallery Der Blaue Reiter Exhibition Catalog and related material, New York, 1954-1955, 16 (pieces)
Flannagan, John B. Re his sculpture, 2 (photographs), 1 (clipping)
Grosz, George Miscellaneous catalogues and clippings, 7 (pieces)
Münter, Gabriele Catalogs, clippings, and reproductions of her work, 4 (pieces)
Zimmermann, Frederick Correspondence and manuscript notes re "Blaue Reiter" exhibition, New York, 1954-1955, 12 (pieces)
Lehmbruck, Wilhelm Photograph of Lehmbruck in his studio, Germany, ca.1918
Valentin, Curt Clippings, tributes, obituaries, 13 (pieces)
Valentin, Curt Photograph of Valentin
Valentin, Curt Photographs of Valetin's apartment, ca. Aug 1954, 7 (photgraphs)
Valentin, Curt, and Marino and Marina Marini Photographs, Forte dei Marmi, ca. Aug 1954, 3 (photographs)