Paleogene fossil birds

Key to North American birds

Elliott Coues

1872

Rancho La Brea

Chester Stock

1930

A guide to the fossil mammals and birds in the Department of geology and palæontology in the British museum (Natural history) ..

British Museum

1896

Digging for Bird Dinosaurs

Nic Bishop

2000

Riddle of the feathered dragons

Alan Feduccia

2012

The non-passerine Pleistocene avifauna of the Talara Tar Seeps, northwestern Peru

Kenneth E. Campbell

1979

Feathered dinosaurs

Christopher Sloan

2000

A history of British fossil mammals, and birds

Richard Owen

1846