Sent by Alfred Russel Wallace, Singapore to Fanny & Thomas Sims 7 Conduit Street, Regent Street, London on 20 February 1856.
Re. departure from Sarawak, leaving Charles behind; admirable character of Sir James Brooke; slow healing of injured foot; good collection of insects in Borneo; Sims' photography business; Fenton's Crimea photographs; justification of Crimean war.
Marchant, James. (1916). I. Early letters (1854-62). 45-88. In: Marchant, James. Alfred Russel Wallace Letters and Reminiscences, Vol. 1. Cassell and Company, Ltd, London, New York, Toronto and Melbourne. i-xi, 1-320. [p. 60-61]