Handbuch der Palæontologie

Nomenclator zoologicus

Revision of the orthopteran group melanopli acridiidae with special reference to North American forms

Frail children of the air

Canadian fossil insects. Myriapods and Arachnids

Some Insects of Special Interest from Florissant, Colorado, and Other Points in the Tertiaries ..

The Tertiary insects of North America

The butterflies of the eastern United States and Canada

Systematic Review of Our Present Knowledge of Fossil Insects, Including Myriapods and Arachnids

A Bibliography of Fossil Insects

Butterflies