Welwyn's railways a history of the Great Northern Line from 1850 to 1986
Gladwin, Tom W.(Tom Williams),1935-
Neville, Peter W.,1947-
White, Douglas E.,1912-
Ware Castlemead
1986
Ill on lining papers
Bibliography: p118. - Includes index
Welwyn (Digswell) viaduct construction plan (1 folded sheet) as insert
Railroads