| |
| | The Monk in the Garden Web site |
 | | Kingsland, Sharon E., "The battling botanist: Daniel Trembly MacDougal, mutation theory, and the rise of experimental evolutionary biology in America, 1900-1912," Isis 82:479-509, 1991. |
 | | Vorzimmer, Peter, "Charles Darwin and Blending Inheritance," Isis, 54:371-390, 1963. |
 | | N.S. Zirkle, Conway, "Gregor Mendel and his precursors," Isis 42:97-104, 1951. |
| www.houghtonmifflinbooks.com /features/monk_garden/bibliography.shtml (2900 words) |
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