found: Kress, W. John. Botanica magnifica, c2009:ECIP t.p. (Jonathan Singer) data view (photographer; Hasselblad Laureate award winner)
found: www.pyxelated.com, viewed March 5, 2009(Jonathan Singer; b. New York City 1948; studied photography, art, and art history; photographed grafitti art; medical practitioner and foot surgeon)
found: www.hasselbladusa.com, viewed March 5, 2009(Jonathan Singer; formerly a New Jersey podiatrist; undertook on a project with Smithsonian to photograph flowers)
found: OCLC, July 5, 2011(hdgs.: Singer, Jonathan, 1948-; Singer, Jonathan M.; Singer, Jonathan M. (1948-....); usage: Jonathan Singer; Jonathan M. Singer)