Harry Piers, The Evolution of the Halifax Fortress, 1749-1928. Line Drawing of principal forts, blockhouses, and batteries of Halifax's early defences.
Drawing by G. MacLaren after a map by H. Piers. 1946.
1947
The Evolution of the Halifax Fortress 1749-1928 / by Harry Piers; revised, edited and completed with appendices, bibliographies and index by G.M. Self; with the assistance of Phyllis Blakeley; under the direction of D.C. Harvey. Publication no. 7, Halifax, NS: Public Archives of Nova Scotia, 1947; 155 pp. <a rel="nofollow" class="external autonumber" href="http://www.gov.ns.ca/nsarm/virtual/royalengineers/piers.asp">[1]</a>