Final Report of the United States Geological Survey of Nebraska and Portions of the Adjacent Territories: Made Under the Direction of the Commissioner of the General Land Office
Fossil butterflies
Fragments of the coarser anatomy of diurnal lepidoptera
Fragments of the Coarser Anatomy of Diurnal Lepidoptera
Frail Children of the Air: Excursions into the World of Butterflies
Frail children of the air; excursions into the world of butterflies