• A defence of modern spiritualism
• A narrative of travels on the Amazon and Rio Negro, : with an account of the native tribes, and observations on the climate, geology, and natural history of the Amazon valley
• Alfred Russel Wallace: Letters and Reminiscences, Vol. 1
• Alfred Russel Wallace: Letters and Reminiscences, Vol. 2
• Catalogue of the dipterous insects collected at Singapore and Malacca
• Contributions to the Theory of Natural Selection: A Series of Essays
• Darwinism (1889): An exposition of the theory of natural selection, with some of its applications
• Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras
• Man's Place in the Universe: A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition
• On the phenomena of variation and geographical distribution as illustrated by the Papilionidæ of the Malayan region
• Palm trees of the Amazon and their uses
• Social Environment and Moral Progress
• The Geographical Distribution of Animals, Volume 1: With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface
• The Geographical Distribution of Animals, Volume 2: With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface
• The Remedy for Unemployment
• Travels on the Amazon
• Vaccination a Delusion: Its Penal Enforcement a Crime: Proved by the Official Evidence in the Reports of the Royal Commission