Sound-production in the lamellicorn beetles. (1904) On the characters and relationships of the less-known groups of Lamellicorn Coleoptera, with descriptions of new species of Hybosorinae, etc. 57: 479-507.(1909) Scarabaeidae: Pachypodinae, Pleocominae, Aclopinae, Glaphyrinae, Ochodaeinae, Orphninae, Idiostominae, Hybosorinae, Dynamopinae, Acanthocerinae, Troginae. pars 43, W. Junk, Berlin. 66 pp.(1912) A nomenclatural note (Coleopt.) (B) 9(1): 16. (1940).