- E-bookNative American StudiesCharles C. Royce
- E-bookThe Siouan IndiansWilliam John McGee
- E-bookNative AmericansCharles C. Royce
- E-bookSiouan IndiansWilliam John McGee
- E-bookNative American Studies (22 Book Collection)Lewis Spence
- E-bookThe Siouan IndiansWilliam John McGee
- E-bookNative AmericansLewis Spence