Robert Leslie UsingerRobert L. Usinger, E. Gorton Linsley, J. Linsley Gressitt · First published 1972Open the Tome
Insects and other invertebrates from Laysan IslandGeorge D. Butler, Robert L. Usinger · First published 1963Open the Tome
Sierra Nevada natural historyTracy Irwin Storer, Robert L. Usinger, David Lukas · First published 1963Open the Tome
Classification of the Aradidae (Hemiptera-Heteroptera)Robert L. Usinger · First published 1959Open the Tome
General Zoology (61778, 5612540)Robert L. Usinger Tracy I. Storer · First published 1956Open the Tome
Elements of zoologyTracy Irwin Storer, Robert L. Usinger, James Willard Nybakken, Robert C. Stebbins · First published 1955Open the Tome
Methods and principles of systematic zoologyErnst Mayr, E. Gorton Linsley, Robert L. Usinger · First published 1953Open the Tome
The Triatominae of North and Central America and the West Indies and their public health significanceRobert L. Usinger · First published 1944Open the Tome
The genus Nysius and its allies in the Hawaiian islandsRobert L. Usinger · First published 1942Open the Tome
