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Harvey, J. M. V.; Gilbert, P.; Martin, K. 1996: A catalogue of manuscripts in the entomology library of the Natural History Museum, London. Mansell, London, xvi, 251 S., A 3755, pp. 63 f.; 225
Merrifield, F. 1905: [Douglas, J. W.] (The) Transactions of the Entomological Society of London for the Year ..., London 1905, B15: 10001, pp. LXXXV-LXXXVI
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Saunders, E. 1905: [Douglas, J. W.] The Entomologist's Monthly Magazine, Third Series, London 41, B15 10006, pp. 221-222