Insects
Let's Know Now
Let's Learn how
Science and conversation series
A Contribution to the Biology of North American Vespine Wasps
How the Energy of Nature Has Been Harnessed for Man's Use
Teacher's manual for Let's learn how, Let's know now, Let's discover more
A Study of the Generic Characteristics of the North American Wasps of the Subfamily, Vespinae
The World of Insects
Some Remarks on the Influence of Insects on Human Welfare
Insects
Wild Flower Roads to Learning
Insects as Enemies and Benefactors of Man
The Wonderworld of Science
Termites
Report on the Activities and Recommendations of the Subcommittee on Conservation Education to the California Committee for the Study of Education
Insect Stories
Neotropical Lizards in the Collection of the Natural History Museum of Stanford University
Neotropical Lizards in the Collection of the Natural History Museum of Stanford University