Alan Sutton

Souterrains de l'Aisne, 2004
Comprehensive survey of the undergrouns of the Aisne.
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Souterrains de la Grande Guerre, 2005
Study on undergrounds during WW1 in the French département of Oise.
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Troglodytes du Val de Loire, 2001
Comprehensive survey of the undergrouns of the Loire valley.
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