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	1.	Imm's General Textbook of Entomology. 1: Structure, Physiology and Development. 2: Classification and Biology. by Richards, O.W [author] Davies, R.G [author] Material type: Text; Literary form: Not fiction Publisher: s.d Availability: Items available for loan: Library of Entomology (1). Add to cart (remove)
	2.	Diptera: Sphaeroceridae (Borboridae). Suivi de: Agromyzidae par K.A. Spencer. by Richards, O.W [author] Material type: Text; Literary form: Not fiction Publisher: 1963 Availability: Items available for loan: Library of Entomology (1). Add to cart (remove)
	3.	A revisional study of the Masarid Wasps. by Richards, O.W [author] Material type: Text; Literary form: Not fiction Publisher: 1962 Availability: Items available for loan: Library of Entomology (1). Add to cart (remove)
	4.	Diptera two new East African species of Alombus Beck and an apterous Sepsid (Chloropidae and Sepsidae). by Richards, O. W [author] Series: Material type: Text; Literary form: Not fiction Publisher: Tervuren Koninklijk museum voor Midden-Afrika 1962 Availability: Items available for loan: RMCA (1). Add to cart (remove)
	5.	Diptera : flightless Sphaeroceridae and Chloropidae. by Richards, O. W [author] Series: Material type: Text; Literary form: Not fiction Publisher: Tervuren Koninklijk museum voor Midden-Afrika 1965 Availability: Items available for loan: RMCA (1). Add to cart (remove)

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