Marchant, James ed. 1916. Alfred Russel Wallace letters and

Memorial to Wallace in Llanbadoc church

Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 eBook : Wallace, Alfred Russel: Kindle Store

Darwin, Charles Robert (1809–1882), naturalist, geologist, and originator of the theory of natural selection

Alfred Russel Wallace Letters and Reminiscences de Marchant, James: Very Good Hardcover (1916) First American Edition

Alfred Russel Wallace's Unrealized Last Book: Insights from the Plan for Darwin and Wallace

Alfred Russel Wallace – Wikipédia, a enciclopédia livre

The envelope-letter from Ternate posted by Wallace to Bates, arrived

Marchant, James ed. 1916. Alfred Russel Wallace letters and reminiscences. London: Cassell. Volume 1.

Alfred Russel Wallace