Links
Kamassian for speakers of Russian:
Click here
Kamassian full grammar book, and dictionary (German)
This is in the Uralic phonetic alphabet so you need to know it.
Kamassian learning (in Russian)
Kamassian wiki fandom
Note: the Kamassian-Russian dictionary found (here) identified ǝ̂ as the letter ä, thus if you use that, please change that. The dicitionary typed it as either ä or я.