The families of British non-marine molluscs (slugs, snails and mussels)
Adams, L.E. 1896. The collector’s manual of British land and freshwater shells. Second Edition. Taylor, Leeds.
Ellis, A.E. 1969. British snails: a guide to the non-marine Gastropoda of Great Britain and Ireland, Pleistocene to Recent. (Reprinted, with corrections, from the 1926 First Edition.) Clarendon, Oxford.
Kerney, M. P. 1999. Atlas of the land and freshwater molluscs of Britain and Ireland. Harley Books, Colchester.
Kerney, M.P. and Cameron, R.A.D. 1979. A field guide to the land snails of Britain and north-west Europe. Collins, London.
Reeve, Lovell (with illustrations by G.B. Sowerby and O. Jewitt). 1863. The land and freshwater mollusks indigenous to, or naturalized in, the British Isles. Reeve & Co., London.
Smith, B.J., and Kershaw, R.C. 1979. Field guide to the non-marine molluscs of south eastern Australia. A.N.U. Press, Canberra.
Taylor, J.W. 1894-1914. Monograph of the land and freshwater Mollusca of the British Isles. Vols. 1-3. Taylor Brothers, Leeds.