Federal Research Division, Library of Congress ; edited by Helen Chapin Metz
Washington, D.C. : Headquarters, Dept. of the Army : For sale by the Superintendent of Documents, U.S. Govt. Print. Off.[1992]4th edArea handbook series
, DA pam
550-27
Federal Research Division, Library of Congress ; edited by Thomas Collelo
Washington, D.C. : Headquarters, Dept. of the Army : For sale by the Superintendent of Documents, U.S. Govt. Print. Off.[1989]3rd edArea handbook series
, DA pam
550-24