Bibliografía (15 obras)
Taxonomic revision and phylogeny of the tribe Phisidini (Insecta: Grylloptera: Meconematidae)
1991
An annotated list of adventive and captive alien orthopteroid insects in Canada
1990
Revision of the Mexican Pyrgomorphidae (Orthoptera: Acridoidea)
An annotated list of adventive and captive alien orthopteriod insects in Canada
Illustrated keys to the families of terrestrial arthropods of Canada
1989
Recorded localities for tropical and southern African species of Pyrgomorpha (Orthoptera: Pyrgomorphidae)
1987
The orthopteroid insects of the Bermudas
1980
The Land of the locusts
1978
Superfam. Trigonopterygoidea (Fam. Trigonopterygidae)
1977
The land of the grasshoppers
1974
Soil animals
1968
The Pyrgomorphidae of South America (Orthoptera: Acridoidea)
1966
1962
A study of the genus Chrotogonus Audinet-Serville, 1839
1959