A basic grammar of Southern Sinama
Akamine, Jun
Osaka : Project "Endangered Languages of the Pacific Rim", Faculty of Information, Osaka Gakuin University, 2003
Hualapai reference grammar
Watahomigie, Lucille J.
Osaka : Project "Endangered Languages of the Pacific Rim", Faculty of Information, Osaka Gakuin University, 2001
Rammatical outline of Alutor
Nagayama, Yukari
Osaka : Project "Endangered Languages of the Pacific Rim", Faculty of Information, Osaka Gakuin University, 2003
Survey of Yup'ik grammar revised
Mather, Elsie
Osaka : Project "Endangered Languages of the Pacific Rim", Faculty of Information, Osaka Gakuin University, 2002.