A key to the Collembola (Springtails) of Britain and Ireland /

by Hopkin, Steve P.
Published 2007

A key to the woodlice of Britain and Ireland /

by Hopkin, Stephen P.
Published 2012

Freshwater leeches of Britain and Ireland : keys to the Hirudinea and a review of their ecology /

by Elliott, J. M., Dobson, Michael, 1964-
Published 2015