Richards A. M., 1955: The anatomy and morphology of the cave-orthopteran Macropathu filifer Walker, 1869. 48 pp. 

 Richards A. M., 1960: Revision of the Rhaphidophoridae (Orthoptera) of New Zealand. Part VII – The Rhaphidophoridae of the Waipu caves. 6 pp. 

 Richards A. M., Filewood L. W., 1988: The effect of agricultural crops and weeds on thebionomics of the pest species compising the Epilachna vigintioctopunctata complex (Col., Coccinellidae). 16 pp. 

 Richards A. M., Filewood L. W., 1990: The influence of cucurbitaceous weeds on the bionomics of the pest species, Epilachna cucurbitae Rich. (Col., Coccinellidae). 10 pp. 

 Richards A. M., Pope R. D., Eastop V. F., 1976: Observations on the biology of Subcoccinella vigintiquattuor-punctata (L.) in southern England. 7 pp. 

 Richards O. W., 1926: Notes on the British species of Lucilia (Diptera). 6 pp. [M40] 

 Richards O. W., 1932: A contribution to the study of the genera Ephistia, gn. (including Strymax, Dyar), and Plodia, gn. (Lepidoptera, Phycitidae), with notes on parasites of the larvae. 84 pp. 

 Richards O. W., 1933: Hymenopterous parasites of adult beetles. 2 pp. 

 Richards O. W., 1936: A second note on the genus Pachyophthalmus B. B. (Diptera, Tachinidae). 2 pp. 

 Richards O. W., 1937: Results of the Oxford University Expedition to British Guiana, 1929. Hymenoptera, Sphecidae and Bembecidae. 18 pp. The Transactions of the Royal Entomological Society of London 86(7)

 Richards O. W., 1941: Sphaeroceridae (Diptera) collected by the British Graham Land Expedition, 1934-37. 4 pp. [M42] 

 Richards O. W., 1947: Asilid flies and their prey in British Guiana. 1 pp. 

 Richards O. W., 1947: On a new species of Mesodryinus (Hym., Dryinidae) bred by Dr. E. McC. Callan in Trinidad. 4 pp. [M43] 

 Richards O. W., 1951: Brachypterous Sphaeroceridae. British Museum (Natural History) Ruwenzori Expedition 1934-5. Vol. II. No. 8. 23 pp. 

 Richards O. W., 1952: Hymenoptera aculeata collected in Anglesea. 1 pp. 

 Richards O. W., 1953: Two new African species of Ceroptera Meigen (Diptera: Sphaeroceridae). 4 pp. 

 Richards O. W., 1955: Diptera Sphaeroceridae. Pp. 296-301. In: Contributions a l’étude de la faune entomologique du Ruanda-Urundi. Mission P. Basilewsky 1953. Premiere partie. 6 pp. Ann. Mus. Congo, Tervuren, Zool. 36: 296-301.

 Richards O. W., 1956: A new species of Leptocera Olivier from Hawaii (Diptera: Sphaeroceridae). 3 pp. [M42] 

 Richards O. W., 1956: An interpretation of the ventral region of the Hymenopterous thorax. 6 pp. 

 Richards O. W., 1956: The nests of South American social wasps. 2 pp. [M43] 

 Richards O. W., 1958: A British record of Dusmetia pulex (Ruschka) (Chalcidoidea, Encyrtidae). 2 pp. 

 Richards O. W., 1960: Notes on the names of some Diptera Sphaeroceridae. 4 pp. [M42] 

 Richards O. W., 1961: Diptera (Sphaeroceridae) from south Chile. 12 pp. 

 Richards O. W., 1961: The fauna of an area of limestone pavement on the Burren, Co. Clare. 8 pp. 

 Richards O. W., 1962: The nest of Ancistrocerus Waldenii flavidulus Bequaert in California (Hymenoptera: Vespidae). 2 pp. [M43] 

 Richards O. W., 1962: Two new East African species of Alombus Beck and an apterous Sepsid (Chloropidae and Sepsidae). Mission zoologique de l’I.R.S.A.C. en Afrique orientale. (P. Basilewsky et N. Leleup, 1957) LXXI. Diptera. 5 pp. 

 Richards O. W., 1963: Sphaerocerid flies from South and Central America in the collection of the California Academy of Sciences (Diptera). 16 pp. 

 Richards O. W., 1964: New species of Leptocera Olivier. In the Burrows of the pocket gopher, Geomys bursarius illinoensis Komarek and Spencer, found in illionois (Diptera: Sphaeroceridae). 9 pp. 

 Richards O. W., 1964: The entomological fauna of Southern England with special reference to the country round London. 48 pp. 

 Richards O. W., 1965: A contribution to the study of the genus Sphaerocera Latreille in Central and South America (Diptera: Sphaeroceridae). 19 pp. [M58] 

 Richards O. W., 1965: CI. Diptera. Flightless Sphaeroceridae and Chloropidae. Mission zoologique de l’I.R.S.A.C. en Afrique orientale (P. Basilewsky et N. Leleup, 1957). 50 pp. 

 Richards O. W., 1966: New records of Pseudomasaris Ashmead (Hymenoptera: Vespoidea, Masaridae), with notes o P. phaceliae Rohwer and P. cazieri R. M. Bohart. 9 pp. 

 Richards O. W., 1966: New Sphaeroceridae (Diptera) from the Kivu district, with a revision of the genus Aluligera Richards. 54 pp. 

 Richards O. W., 1967: A catalogue of the Diptera of the America South of the United States. 72. Family Sphaeroceridae (Borboridae). 28 pp. [M58] 

 Richards O. W., 1967: Some British species of Leiophron Nees (Hymenoptera: Braconidae, Euphorinae), with the description of two new species. 16 pp. The Transactions of the Royal Entomological Society of London 119(5)

 Richards O. W., 1968: New records and new species of Australian Masaridae (Hymenoptera: Vespoidea). 4 pp. 

 Richards O. W., 1968: New south African species of the genus Scutelliseta Richards (Diptera: Sphaeroceridae). 27 pp. 

 Richards O. W., 1968: Some Sphaeroceridae (Diptera), partly short-winged, collected in South Africa my Monsieur N. Leleup. 16 pp. [M58] 

 Richards O. W., 1968: Sphaerocerid flies associating with doryline ants, collected by Dr. D. H. Kistner. 16 pp. The Transactions of the Royal Entomological Society of London 120(7): 183-198.

 Richards O. W., 1969: Cyrtogonatopus Kiefffer (Hymenoptera: Dryinidae), with the description of a new species from Cuba. 3 pp. 

 Richards O. W., 1969: Records of Masarid wasps with descriptions of two new species of Quartinia Ed. André (Hymenoptera). 5 pp. [M43] 

 Richards O. W., 1969: Species of Trypoxylon Latreille (Hymenoptera: Sphecidae) from Cuba. 4 pp. [M43] 

 Richards O. W., 1970: Three new species of Polybia Lepeletier (Hymenoptera, Vespidae, Polistinae). 5 pp. [M43] 

 Richards O. W., 1971: A new British species of Dryinidae (Hymenoptera). 1 pp. [M43] 

 Richards O. W., 1971: The habits of Editha magnifica (Perty) (Hym. Sphecidae, Bembicini). 2 pp. [M43] 

 Richards O. W., 1971: Two new species of the genus Microstigmus Ducke (Hymenoptera: Sphecoidea). 3 pp. 

 Richards O. W., 1972: The species of the South American wasps of the genus Microstigmus Ducke (Hymenoptera: Sphecoidea, Pemphredoninae). 26 pp. [51929] The Transactions of the Royal Entomological Society of London 124(2): 123-148.

 Richards O. W., 1973: Rhopalidia Lepeletier, 1836 (Hymenopteraaaaa: Vespidae): proposed suppression undr the plenary powers. Z. N. (S.) 2017. 2 pp. [M43] 

 Richards O. W., 1974: The cretan hornet. 2 pp. 

 Richards O. W., 1975: A new British species of Bethylidae (Hym.). 2 pp. [M43]