1901 – 1984
Bibliografía (15 obras)
A revision of the genus Belonogaster de Saussure (Hymenoptera, Vespidae)
1982
Scolioidea, Vespoidea, and Sphecoidea
1980
The Australian social wasps (Hymenoptera, Vespidae)
1978
The social wasps of the Americas excluding the Vespinae
Hymenoptera
1977
The Sphaeroceridae (Borboridae or Cypselidae, Diptera Cyclorrhapha) of the Australian region
1973
The subgeneric divisions of the genus Bombus latreille (Hymenoptera: Apidae)
1968
New species of Leptocera Olivier in the burrows of the pocket gopher
1964
New species of Leptocera Olivier in the burrows of the pocket gopher, Geomys Barsarius Illinoisis Komarek and Spencer, found in Illinois (Diptera: Sphaeroceridae)
The species of Pseudomasaris Ashmead (Hymenoptera, Masaridae)
1963
A revisional study of the Masarid wasps (Hymenoptera, Vespoidea)
1962
Studies on the biology and population dynamics of British grasshoppers
1954
The social insects
1953
Evolutionary trends and classification
1952
Some notes on the humble-bees allied to Bombus alipinus, L.
1931
