Asheville Art Museum, Asheville, NC
Black Mountain College Museum + Arts Center, Asheville, NC
Bowdoin College, Special Collections, Brunswick, ME
Brooklyn Museum Library, Brooklyn, NY
Bucknell University, Bertrand Library, Lewisburg, PA
University at Buffalo, The Poetry Collection of the University Libraries, Buffalo, NY
Columbia University, Rare Books & Manuscripts, New York, NY
Dallas Museum of Art, Dallas, TX
Dartmouth College, Rauner Special Collections Library, Hanover, NH
University of Delaware Library, Newark, DE
Dieu Donné, Brooklyn, NY
Harvard University, Houghton Library Special Collections, Cambridge, MA
University of Iowa Libraries, Iowa City, IA
The J. Paul Getty Museum, Malibu, CA
The Johnson Collection, Spartanburg, SC
Library of Congress, Prints and Photographs Division, Washington, D.C.
Library of Congress, Rare Books and Special Collections Division, Washington, D.C.
Lyrik Kabinett, Munich, Germany
Malmö Konstmuseum, Malmö, Sweden
The Menil Collection, Houston, TX
Metropolitan Museum of Art, New York, NY
Milwaukee Art Museum, Milwaukee, WI
Minneapolis Institute of Art, Minneapolis, MN
University of Minnesota, TC Anderson Library Rare Books, Minneapolis, MN
Moderna Museet, Stockholm, Sweden
Montana Museum of Art and Culture, University of Montana, Missoula, MT
The Museum of Modern Art, New York, NY
National Academy of Arts and Letters, New York, NY
National Museum of New Zealand Te Papa Tongarewa, Wellington, New Zealand
New York Public Library, The Spencer Collection, New York, NY
Portland Art Museum, Portland, OR
Rochester Institute of Technology, Wallace Library, Rochester, NY
San Francisco Public Library, San Francisco, CA
Scripps College, Claremont, CA
Smith College, Mortimer Rare Book Collection, Northampton, MA
Stanford University Libraries, Special Collections, Stanford, CA
Swarthmore College, Swarthmore, PA
Toledo Museum of Art, Toledo, OH