Thomas Say
17 works on record
Works

Account Of An Expedition From Pittsburgh To The Rocky Mountains; Volume 3

James's Account of S.H. Long's Expedition, 1819-1820

The Complete Writings of Thomas Say On the Entomology of North America; Volume 2

The Complete Writings of Thomas Say On the Entomology of North America; Volume 1

American Conchology; Or, Description of the Shells of North America

James's Account

James's Account of S. H. Long's Expedition

American Conchology; or, Descriptions of the Shells of North America

American entomology
Descriptions of Some New Terrestrial and Fluviatile Shells of North America, 1829, 1830 1831
Account of an Expedition from Pittsburgh to the Rocky Mountains; Volume 1
The Complete Writings of Thomas Say on the Entomology of North America Set by Thomas Say (1978, Hardcover, Reprint)
American Entomology, or Descriptions of the Insects of North America
Account of an Expedition from Pittsburgh to the Rocky Mountains
Account of an Expedition from Pittsburgh to the Rocky Mountains ... ; Volume II
Conchology [A Facsimile of an 1819 Article in the Third American Edition of Nicholson's British Encyclopedia or Dictionary of Arts & Sciences]
A description of the insects of North America