
Praelectiones (Lectures, 1744) quoted in Larson (1967:317)
Fundamenta fructificationis (1742). As quoted in John S. Wilkins (2009), "Species: A History of the Idea," University of California Press. p. 72
Praelectiones (Lectures, 1744) quoted in Larson (1967:317)
1860s, On a Piece of Chalk (1868)
Source: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 413
Source: Permaculture: A Designers' Manual (1988), chapter 4.8
On naval timber and arboriculture (1831), Appendix F, part II
How Plants are Trained to Work for Man (1921) Vol. 1 Plant Breeding