Milligan, C. D. (1948). The walls of Derry: Their building, defending, and preserving. "Londonderry Sentinel Printing Works,".
MLA CitationMilligan, Cecil Davis. The Walls of Derry: Their Building, Defending, and Preserving. "Londonderry Sentinel Printing Works,", 1948.
Warning: These citations have been automatically generated and may not always be 100% accurate..