G A Pryer

year of pub­li­ca­ti­onISBNauthor(s)title
1997978-0-9532460-0-7G.A. PryerSignal Box Diagrams of the Great Western and Southern Railways: SR Lines in North Devon v. 11
1998978-0-9532460-1-4G.A. PryerSignal Box Diagrams of the Great Western and Southern Railways: G.W.R. Lines in South Devon v. 12
  ''978-0-9532460-2-1   ''Signal Box Diagrams of the Great Western and Southern Railways: S.R.Lines - Plymouth and North Cornwall v. 13
1999978-0-9532460-5-2   ''Signal Box Diagrams of the Great Western and Southern Railways: GWR Lines in West Cornwall v. 16 (Signal box diagrams of the Great Western & Southern Railways)
2001978-0-9532460-9-0   ''Signal Box Diagrams of the Great Western and Southern Railways: G.W.R. Berks and Hants Line v. 20