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List of works by John Bretland Farmer

Studies in Apospory and Apogamy in Ferns ⬇️

article published in April 1907

The book of nature study ⬇️

London, Caxton publishing company[1908?]-1909.

The book of nature study ⬇️

London: Caxton Pub. Co., [1908?]-1909.

The mutation theory; experiments and observations on the origin of species in the vegetable kingdom ⬇️

Chicago, Open Court Pub. Co., 1909-10.

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