Richards, O. W. 1935. Notes on the nomenclature of the Aculeate Hymenoptera, with special reference to the British genera and species. Transactions of the Entomological Society of London 83:143-176.

Benson, R. B.; Ferrière, C.; Richards, O. W. 1937. The generic names of British insects. Part 5. The generic names of the British Hymenoptera Aculeata, with a check list of British species. London: Royal Entomological Society of London, pp. 81-149.

Benson, R. B.; Ferrière, C.; Richards, O. W. 1947a. Proposed suspension of the Règles for the names Formica Linnaeus, 1758, and Camponotus Mayr, 1861 (Class Insecta, Order Hymenoptera). Bulletin of Zoological Nomenclature 1:207.

Benson, R. B.; Ferrière, C.; Richards, O. W. 1947b. Proposed suspension of the Règles for Ponera Latreille, 1804 (Class Insecta, Order Hymenoptera). Bulletin of Zoological Nomenclature 1:216.

Benson, R. B.; Nixon, G. E. J.; Perkins, J. F.; Richards, O. W. 1954. Support for Dr. I. H. H. Yarrow's proposal for the rephrasing of the decision taken by the International Commission regarding the name of the type species of "Formica" Linnaeus, 1758. Bulletin of Zoological Nomenclature 9:318.

Richards, O. W. 1956. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1):1-94.

Richards, O. W. 1959. Lasius brunneus (Latr.) (Hym., Formicidae) and other ants, in Buckinghamshire. Entomologist's Monthly Magazine 95:83.

Richards, O. W. 1971. The thoracic spiracles and some associated structures in the Hymenoptera and their significance in classification, especially of the Aculeata. Pp. 1-13 in: Asahina, S. , et al. (eds.) 1971. Entomological essays to commemorate the retirement of Professor K. Yasumatsu. Tokyo: Hokuryukan Publishing Co., vi + 389 pp.

Richards, O. W. 1977. Hymenoptera. Introduction and key to families. Handbooks for the Identification of British Insects 6(1)(2nd edn.):1-100.