A Key to the Families of British Beetles (AIDGAP)

Illustrated Key to the Families of British Springtails (Collembola) (AIDGAP)

A Key to the Families of British Bugs (Insecta, Hemiptera): No. 269 (AIDGAP)

Keys to the Families of British Spiders (AIDGAP)

Key to the Identification of British Centipedes (AIDGAP)