Bibliography: p118. _ Includes index.
Welwyn (Digswell) viaduct construction plan (1 folded sheet) as insert.
Ill on lining papers.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Welwyn's railways : a history of the Great Northern Line from 1850 to 1986 by Tom W. Gladwin. ISBN 0948555041. Published by Castlemead in 1986. Publication and catalogue information, links to buy online and reader comments.
