To rule the North: being a history of the Fort of Blackwater in Ulster, sometime called Portmore.

Bibliographic Details
Main Author: Marshall, John J.
Citation:Ulster journal of archaeology, Ser. 2, Vol. VIII, pp. 107-18, July, pp. 161-71, Oct. 1902; Vol. IX, pp. 10-17, Jan., pp. 57-63, April, 1903
Format: Journal Article