Background notes.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	United States. Department of State
Fformat:	Continuing Resource
Iaith:	English
Cyhoeddwyd:	Washington Gov't. Print. Off. 1965-
Cyfres:	U.S. Department of State publication
Pynciau:	History > Periodicals. Geography.