Barker, G.M. (ed.) 2001. The biology of terrestrial molluscs. CABI Publishing, Wallingford, UK. pp558
Barker, G.M. (ed.) 2002. Molluscs as crop pests. CABI Publishing, Wallingford, UK. pp 468
Barker, G.M. (ed.) 2004. Natural enemies of terrestrial molluscs. CABI Publishing, Wallingford, UK. pp 644
Burch, J.B. 1962. How to Know the Eastern Land Snails. Wm. C. Brown Company Publishers, Dubuque, Iowa. pp 214
Cowie, R.H., R.T. Dillion Jr, D.G. Robinson and J.W. Smith. 2009. Alien non-marine snails and slugs of priority quarantine importance in the United States: a preliminary risk Assessment. American Malacological Bulletin 27: 113-132.
Forsyth, R.G. 2004. Royal BC museum handbook: land snails of British Columbia. Victoria, Canada: Royal BC Museum.
Godan, D. 1983. Pest slugs and snails. Biology and control. Springer-Verlag, Berlin.
Grimm, F.W., R.G. Frosyth, F.W. Scheler and A. Karstad. 2009. Indentifying land snails and slugs in Canada. Introduced species and native genera. Canada Food Inspection Agency. Ottawa, ON.
Hubricht, L. 1985. The distributions of the native land mollusks of the eastern United States. Fieldiana (Zoology) New Series 24. pp 191
McDonnell, R., T. Paine and M. J. Gormally. 2009. Slugs: A Guide to the Invasive and Native Fauna of California. Oakland: University of California Agriculture and Natural Resources Publ. 8336.
Pilsbry, H. A. 1939. Land Mollusca of North America north of Mexico vol. I part 1. Academy of Natural Sciences, Philadelphia. pp 1-574
Pilsbry, H. A. 1940. Land Mollusca of North America north of Mexico vol. I part 2. Academy of Natural Sciences, Philadelphia. pp 575-994
Pilsbry, H. A. 1946. Land Mollusca of North America north of Mexico vol. II part 1. Academy of Natural Sciences, Philadelphia. pp 1-520
Pilsbry, H. A. 1948. Land Mollusca of North America north of Mexico vol. II part 2. Academy of Natural Sciences, Philadelphia. pp 521-1113
Robinson, D.G. 1999. Alien invasions: the effects of the global economy on non-marine gastropod introductions into the United States. Malacologia 41: 413-438.
South, A. 1992. Terrestrial slugs: biology, ecology and control. Chapman and Hall, London. pp 428 pp
Online Publications- Management
Oregon State University. Pacific Northwest nursery IPM. Snails/slugs. http://oregonstate.edu/dept/nurspest/slugs.htm
University of California. Agriculture and Natural Resources. UC IPM Online. Snails and slugs: Integrated pest management for home gardeners and landscape professionals. http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7427.html
University of Florida. Terrestrial slugs of Florida (Mollusca: Stylommatophora: Veronicellidae, Philomycidae, Agriolimacidae and Limacidae). EENY-493 (IN891). http://edis.ifas.ufl.edu/in891
Discover Life: Mollusc identification guide: http://www.discoverlife.org/20/q?guide=Molluscs
Identification guide to the land snails and slugs of western Washington: http://academic.evergreen.edu/projects/ants/TESCBiota/mollusc/key/webkey.htm
Jacksonville Shell Club. http://www.jaxshells.org/
Key to the genera of introduced and native land snails and slugs in Canada
Key to the snails of the Bristol Region: http://www.brerc.eclipse.co.uk/files/BRERC_snail_key.pdf
Key to the terrestrial gastropods of British Columbia: http://www.livinglandscapes.bc.ca/cbasin/molluscs/pdf/mollusc3.pdf
Land snails and slugs of Canada: http://www.mollus.ca/index.htm
Land snails of Pennsylvania: http://www.carnegiemnh.org/mollusks/palandsnails/
North American Land Snails: northamericanlandsnails.com/
Pacific Northwest Shell Club: www.pnwsc.org
Slugs: A guide to the invasive and native fauna of California: http://ucanr.org/freepubs/docs/8336.pdf
Tree snails (of Florida), Drymaeus, Orthalicus, Liguus spp (Gastropoda: Bulimulidae): http://edis.ifas.ufl.edu/in305