1.
 |  | Title: Treaties and Alliances of the World by Henry W. Degenhardt, Alan J. Day ISBN: 0582902509 Publisher: Longman Publishing Group Pub. Date: January, 1981
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2.
 |  | Title: Political Parties of the World (Keesing's Reference Publication) by Alan J. Day, Henry W. Degenhardt ISBN: 0582902525 Publisher: Gale Group Pub. Date: December, 1984 List Price: $90.00 Amazon.com Price: $90.00 |
3.
 |  | Title: Political Dissent: An International Guide to Dissident, Extra-Parliamentary, Guerrilla, and Illegal Political Movements by Henry W. Degenhardt, Alan J. Degenhardt, Alan J. Jalan Johnn Day ISBN: 0810320509 Publisher: Gale Group Pub. Date: December, 1983 List Price: $90.00 Amazon.com Price: $90.00 |
4.
 |  | Title: Maritime Affairs a World Handbook (Keesing's Reference Publications) by Henry W. Degenhardt, Alan J. Day ISBN: 0582902630 Publisher: Longman Pub. Date: December, 1985 List Price: $90.00 Amazon.com Price: $90.00 |
5.
 |  | Title: Maritime affairs--a world handbook : a reference guide to maritime organizations, conventions, and disputes, and to the international politics of the sea by Henry W. Degenhardt ISBN: 0810320517 Publisher: Gale Research Co. Longman Group Pub. Date: 1985
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6.
 |  | Title: Revolutionary and Dissident Movements: An International Guide by Henry W. Degenhardt ISBN: 0582009863 Publisher: Longman Publishing Group Pub. Date: January, 1988
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