Plan de la ville et du port de Louisbourg levé en 1756.
Scale ca. 1:8,000. Oriented with north to the right. Relief shown by hachures. Depths shown by soundings. "333" located below lower right corner of border. Indexed for fortifications. LC Maps of North America, 1750-1789, 342 Available also through the Library of Congress Web site as a raster image. Vault AACR2
France. Dépôt Des Cartes Et Plans De La Marine - Sartine, Antoine De