The Cambridge Natural History. Vol. 2. Flatworms and Mesozoa. Thread Worms and Sagitta. Rotifers. Polychaet Worms. Earthworms and Leeches. Gephyrea and Pharonis. Polyzoa (engelsk)
The Cambridge Natural History. Volume 6. Insects Part II: Hymenoptera continued (Tubulifera and Aculeata), Coleoptera, Strepsiptera, Lepidoptera, Diptera, Aphaniptera, Thysanoptera, Hemiptera, Anoplura (engelsk)
The Cambridge Natural History. Volume 5. Peripatus. Insects, Part I. Introduction, Aptera, Orthoptera, Neuroptera, and a portion of Hymenoptera (Sessiliventres and Parasitica) (engelsk)