- British Library, The: BL Add. 46434 ff. 362-363
- Marchant, J. (Ed.). (1916). In: Alfred Russel Wallace; Letters and Reminiscences. Vol. 2. London & New York: Cassell & Co. [p. 154]
- Wallace, A. R. (1908). In: My Life: a Record of Events and Opinions (2nd edition). London: Chapman & Hall. [pp. 241-243]
Discusses the Land Nationalisation Society and Land Nationalisation, in response from a letter to ARW about it.