De haften van de Benelux (Ephemeroptera)

Les Delphacidae de France vol. 1 + 2 samen

Hymenopteres spheciformes d’Europe vol. 1

Hymenopteres spheciformes d’Europe vol. 2

Hymenopteres spheciformes d’Europe vol. 3

Criquets de France (Caelifera) vol. 1 a + b

Vespidae solitaires de France métropolitaine

Fleas – Siphonaptera

A key to the families of British Beetles

Illustrated key to the British False Scorpions

Keys to the families of British Spiders

Sawflies – a key to the adults

A key to the adults of British lacewings and their allies

A key to the families of British bugs (Hemiptera)

Psocids – Psocoptera

British Lonchaeidae

Blow flies

The Staphylinidae (rove beetles) of Britain and Ireland – part 1