Cantrell, Will and Modderno, Francine. How to Find an Overseas Job with the U.S. Government: a Complete & Comprehensive Guide.  Oakton, VA:  Worldwise Books, c1992.
Perkins HF5549.5.E45 C336 1992
This guide includes 70 chapters on international positions with U.S. Government agencies and specialized agencies of the United Nations.  It covers how each agency functions, what overseas positions it hires for, how to qualify, and where to apply.

Foreign Service Careers. Arlington, VA: U.S. Department of State, 1988. 
Perkins Docs. S1.2:C18/2/988
This helpful guide introduces the reader to the various kinds of foreign service careers and their requirements, salaries and benefits, and information for family members. Some information about internships and summer employment is also provided. An appendix reproduces ten pages of sample questions from the Foreign Service Written Examination. The well-balanced approach of this brochure, which describes frequent moves, unpleasant posts, and safety risks, as well as the more challenging and glamorous aspects of foreign service work, is welcome.

Lauber, Daniel.  Government Job Finder, 1997-2000.  River Forest, IL:  Planning Communications, 2000.
Ford West Mezzanine JK692. L39  1997 (earlier volumes in Perkins)
A compendium of over 1,400 sources of information for professionals, labor trade, technical, and office support positions in local, state, and federal government in the U.S. and overseas.  Periodicals, job-matching services, job banks, job hotlines, and directories are arranged by geographic location and then alphabetically by occupation.  It includes federal agency personnel office phone numbers, and salary surveys.