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- Royal Botanic Garden, Edinburgh, Scotland
- Hunt Institute for Botanical Documentation,
- Carnegie Mellon University, Pittsburgh, PA
- Smith College Rare Book Library, Northampton, MA
- Smith College Art Museum, Northampton, MA
- Library of Congress
- Worcester Art Museum, Worcester, MA
- Houghton Library, Harvard University, Cambridge, MA
- Worcester Polytechnical Institute Library, Worcester, MA
- Metropolitan 1Museum of Art, NYC
- Huntington Library, San Marino, CA
- University of California at Santa Cruz, Santa Cruz, CA
- University of Wales School of Art & Museum, Aberystwyth, Wales
- Glenbow Museum, Calgary, Alberta, Canada
- Georgetown University Art Collection, Washington, DC
- Temple University, Philadelphia, PA
- Swarthmore College, Swarthmore, PA
- University of Washington, Seattle, WA
- University of Iowa, Iowa City, Iowa
- University of Delaware, Newark, DE
- Pennsylvania College of Technology, Williamsport, PA
- University of Wisconsin
- University of Vermont, Burlington, VT
- University of Pennsylvania
- Lafayette College, Easton, PA
- Northwestern University, Evanston, IL
- Boston Athenaeum
