Frank Hall Knowlton – författare

Mining Districts of the Idaho Basin and the Boise Ridge, Idaho

Mining Districts of the Idaho Basin and the Boise Ridge, Idaho

... the Stratigraphic Relations and Paleontology of the "Hell Creek Beds", "Ceratops Beds" and Equivalents

And Their Reference to the Fortunion Formation

... the Stratigraphic Relations and Paleontology of the "Hell Creek Beds", "Ceratops Beds" and Equivalents

And Their Reference to the Fortunion Formation

Flora Of The Montana Formation

Flora Of The Montana Formation

Fossil Forests of the Yellowstone National Park

Jurassic Flora of Cape Lisburne, Alaska

Jurassic Flora of Cape Lisburne, Alaska

Plants of the Past

A Popular Account of Fossil Plants

Plants of the Past

A Popular Account of Fossil Plants

Fossil Flora of the John Day Basin, Oregon

Usgs Bulletin 204

Birds of the World; a Popular Account

Catalogue of the Mesozoic and Cenozoic Plants of North America

Geology and Paleontology of the Raton Mesa and Other Regions in Colorado and New Mexico

Jurassic Flora of Cape Lisburne, Alaska

Fossil Flora of the Yellowstone National Park