The National Geographic Names Data Base.

by Orth, Donald J.
Published 1987

Authorities and organizations involved with geographic names, 1985 : United States, Canada, Mexico /

by Orth, Donald J.
Published 1985

Principles, policies, and procedures : domestic geographic names /

by Orth, Donald J.
Published 1989

Geographic names & the federal government : a bibliography /

by Orth, Donald J.
Published 1990

Authorities and organizations involved with geographic names : United States, Canada, Mexico /

by Orth, Donald J.
Published 1989

Dictionary of Alaska place names /

by Orth, Donald J.
Published 1967