Leach, W. E. 1815. Entomology. Pp. 57-172 in: Brewster, D. (ed.) 1815. The Edinburgh encyclopedia. Edinburgh: William Blackwood, Volume 9.

Leach, W. E. 1819. [Fam. IX. Formicadae. Leach.]. Pp. 272-273 in: Samouelle, G. 1819. The entomologist's useful compendium. London: Thomas Boys, 496 pp.

Notes: Publication date from Sherborn (1922:cxi).

Leach, W. E. 1825. Descriptions of thirteen species of Formica and three species of Culex found in the environs of Nice. Zoological Journal. London 2:289-293. PDF

Sherborn, C. D. 1937. Brewster's Edinburgh encyclopedia. Issued in 18 vols. from 18-- to 1830. Journal of the Society for the Bibliography of Natural History 1:112.

Donisthorpe, H. 1918a. Some notes on a paper by Dr. Leach on ants and gnats in 1825. Entomologist's Record and Journal of Variation 30:8-9. PDF

Baugnée, J.-Y. 2004a ("2003"). Camponotus piceus (Leach, 1825), fourmi nouvelle pour la faune belge découverte dans le parc naturel Viroin-Hermeton (Hymenoptera Formicidae). Bulletin de la Société Royale Belge d'Entomologie 139:219-225.

Sherborn, C. D. 1922. Index animalium sive index nominum quae ab A.D. MDCCLVIII generibus et speciebus animalium imposita sunt. Sectio secunda a kalendis ianuariis, MDCCCI usque ad finem decembris MDCCCL. Part I. London: British Museum (Natural History), cxxxi + 128 pp.