Rigsby, B. J. The Waiilatpuan problem: More on Cayuse-Molala relatability. s.n..
Cita Chicago Style (17a ed.)Rigsby, Bruce Joseph. The Waiilatpuan Problem: More on Cayuse-Molala Relatability. [S.l.: s.n..
Cita MLA (8a ed.)Rigsby, Bruce Joseph. The Waiilatpuan Problem: More on Cayuse-Molala Relatability. s.n..
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