PERRETT, ANTHONY J. (Author) ROYAL MARINES HISTORICAL SOCIETY (Author) ROYAL MARINES HISTORICAL SOCIETY. SPECIAL PUBLICATION; NO. 14 (Author) Royal Marines Historical Society (Publisher)
REDFERN, N.I. (Author) COUNCIL FOR BRITISH ARCHAEOLOGY (Author) TWENTIETH CENTURY FORTIFICATIONS IN THE UNITED KINGDOM; VOL. 2 (Author) Council for British Archaeology (Publisher)