A revision of the Leucospidae (Hymenoptera: Chalcidoidea) of the world.
London: British Museum (Natural History), 1974. Octavo, text illustrations, softcover Bulletin of the British Museum (Natural History), Entomology, Supplement 23. More
London: British Museum (Natural History), 1974. Octavo, text illustrations, softcover Bulletin of the British Museum (Natural History), Entomology, Supplement 23. More