Cheyenne 

Cheyenne is a Native American language spoken in some 
parts of the USA.
It is part of the Algonquinian language family.

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Information

Pronunciation

Phrases

Grammar (scroll down) 

Cheyenne font

Cheyenne crossword puzzle

Professional (paid) translations from/to Cheyenne

Resources for offline learning:
Course: Let's talk Cheyenne
Sign talk of the Cheyenne Indians and other cultures
Cheyenne-English-Cheyenne dictionary
More from amazon.com...
Cheyenne products from worldlanguage.com

Other:
Cheyenne literature and jokes
Cheyenne prayers