British Railways
WOODLEY, Richard
The Day of the Holiday Express - Western Region Services on 9 July 1960
WOODWARD, Sue and Geoff
The Hatfield, Luton and Dunstable Railway (and on to Leighton Buzzard)
Oakwood Library of Railway History OL44
WOODWARD, Sue and Geoff
The Harpenden to Hemel Hempstead Railway - The Nickey Line
Locomotion Papers LP197
