Indians — Languages — Audiobooks
The Philosophic Grammar of American Languages, as Set Forth by Wilhelm von Humboldt With the Translation of an Unpublished Memoir by Him on the American Verb
by Daniel G. (Daniel Garrison) Brinton
American Languages, and Why We Should Study Them
by Daniel G. (Daniel Garrison) Brinton
The American Race A Linguistic Classification and Ethnographic Description of the Native Tribes of North and South America
by Daniel G. (Daniel Garrison) Brinton