Caterpillars on oaks in Central Europe

Een vlucht distelvlinders

Totenkopfschwärmer

A guide to caterpillars of the butterflies of Britain and Ireland

Guide to the Day-flying moths of Britain

Guide to the Hawkmoths

Guide to the Butterflies of Britain

Der Eichenprozessionsspinner

Die Tagfalter Mitteleuropas – östlicher Teil

Butterflies of the Western Palaearctic vol. 1

Butterflies of the Western Palaearctic vol. 2

The Butterflies of Transbaikal Siberia

The Butterflies of Tajikistan

The Butterflies of Ladak (N.-W. India)

The Butterflies of Kyrgyzstan

The Butterflies Altai, Sayans and Tuva

The Butterflies of Mongolia

The Butterflies of Caucasus and Transcaucasia