Geelbecks River Blockhouse - History and Facts
Parks Canada - Canadian Historic Sites: Occasional Papers in
Crockett Blockhouse - Whidbey Island
BLOCKHOUSE PUB
The military heritage of the P'tit Sault Blockhouse in Edmundston
Blockhouse - Life
Blockhouse Life
Blockhouse (1812) - Town of Saint Andrews
The Fort Larned Blockhouse (U.S. National Park Service)