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2. Notes on the Helophorus species (Coleoptera, Hydrophilidae) of Fennoscandia and northern Russia;ANGUS;Notulae Entomologicae,1974
3. Stratigraphical and Faunal Evidence for Lateglacial and Early Flandrian Environments in South-West Scotland
4. Interpretations of Quaternary insect fossils;COOPE;Annual Review of Entomology.,1970
5. Climatic fluctuations in northwest Europe since the Last Interglacial, indicated by fossil assemblages of Coleoptera;COOPE;Ice Ages Ancient and Modern. Geological Journal Special Issue,1975