Battle for Ulster : a study of internal security /
Baldy, Tom F.,1952-
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
National Defense University.
Washington, DC : National Defense University Press : Sold by U.S. G.P.O.,
1987.
Includes bibliographical references and index.
John and Ljubica Erickson collection.
Internal security