By Calvert, Robert.
New York R. Rosen Press 1969 .
191 p. , Cover title: A definitive study of your future in international service. 22 cm..

By Keyes, Fenton..
New York R. Rosen Press 1975 .
x, 178 p. , 920331 22 cm..
0823903257

By Lewak, Ben..
New York R. Rosen Press 1977 .
120 p. 22 cm..
0823903680

By Gelinas, Paul J..
New York R. Rosen Press 1989 .
124 p. 0823909700