- Digital Commonwealth
- Boston Public Library
In upper margin: For the Lond. Mag. Includes index to locations in fort. Cataloging, conservation, and digitization made possible in part by The National Endowment for the Humanities: Exploring the human endeavor.
- Fortification--Nova Scotia--Louisbourg--Maps--Early works to 1800
Louisbourg (N.S.)--Maps--Early works to 1800
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