- E-bookMary and IStephen Return Riggs
- E-bookIllustration Of The Method Of Recording Indian Languages From the First Annual Report of the Bureau of Ethnology, Smithsonian InstitutionAlbert Samuel Gatschet
- E-bookMary and IStephen Return Riggs
- E-bookIllustration of the Method of Recording Indian LanguagesJames Owen Dorsey
- E-bookIllustration of the Method of Recording Indian LanguagesJames Owen Dorsey
- E-bookMary and I Forty Years with the SiouxStephen Return Riggs