Coast Defense Study Group

The CDSG is a U.S. based organization whose purpose is " ... to promote and encourage the study of coastal defenses, primarily but not exclusively those of the United States of America". If you are interested in American coastal defense, this is the group to join. Memebership information can be obtained from:

Coast Defense Study Group
1560 Somerville Road
Bel Air, Maryland 21015-6027 USA
Attn: Elliot Deutsch

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Fortress Study Group

The Fortress Study Group is a U.K. based organization involved in the study of artillery fortification worldwide. They publish a annual journal (FORT), and a newsletter is published 3 times a year. Fort is an outstanding journal, if you have an interest in fortification of all types, this is an outstanding group. Membership information can be obtained from:

Bernard Lowry (FSG Secretary)
The Severals
Bentleys Road
Market Drayton
Shropshire
TF9 1LL
UK