Nancy's work can be found in the following public and private collections:
• University of Western Michigan, Kalamazoo, Michigan
• Houghton Library, Harvard University, Cambridge, Massachusetts
• Victoria and Albert Museum, London, England
• Tate Gallery Library, London, England
• National Museum of Women in the Arts, Washington, DC
• James S. Copley Library, La Jolla, California
• Bowdoin College, Brunswick, Maine
• University of Arizona Special Collections, Tucson, Arizona
• Phoenix Public Library, Phoenix, Arizona
• Arizona State University Special Collections, Tempe, Arizona
• Dartmouth College Rare Book Collection, Hanover, New Hampshire
• Kohler Art Library, University of Wisconsin, Madison, Wisconsin
• Cleveland Museum of Art, Cleveland, Ohio
• Jocelyn Art Museum, Omaha, Nebraska
• Hatcher Graduate Library, University of Michigan, Ann Arbor, Michigan
• Brooklyn Museum of Art, Brooklyn, New York
• Portland Museum of Art, Special Collections, Portland, Maine
• Maine Women Writers Collection, University of New England, Portland, Maine
• University of Washington, Special Collections, Seattle, Washington
• John M. Olin Library, Washington University, St. Louis, Missouri