Linguistic families of American Indians North of Mexico
By: by J. W. Powell ; revised by members of the staff of the Bureau of American Ethnology
Edition: Rev.
Series: Smithsonian Institution Bureau of American Ethnology. Bulletin -- 30; Miscellaneous publication / Smithsonian Institution. Bureau of American Ethnology -- no. 11; Bulletin (Smithsonian Institution. Bureau of American Ethnology) -- 30.; Miscellaneous publication (Smithsonian Institution. Bureau of American Ethnology) --  no. 11.
Publisher: The Bureau
Published: 1915
Place of publication: Washington, D.C
Language: eng
Subjects: Languages; Maps; Indians; Land tenure
Notes: "The areas indicated on the Great Plains are only approximate, as the positions of the Tribes were continually shifting."

Inset maps: N.E. Siberia. -- Aleutian Islands.