"Prideaux, John Denys Charles Anstice, (Born 8 Aug. 1944), Chairman: Festiniog Railway Company, since 2006; Ffestiniog and Welsh Highland Railways Trust (Formerly Festiniog Railway Trust), since 1998; Danube Eastern Railway Company, since 2013". Who's Who. 2007. doi:10.1093/ww/9780199540884.013.U31462. ISBN978-0-19-954088-4.
Oglethorpe, Tim (21 April 2001). "Interview: Marcus Brigstocke - Savage past of Marcus; Marcus Brigstocke of The Savages on his misspent youth and how he got back on the straight and narrow". The Express (London, England). MGN Ltd. (archive)
"Prideaux, John Denys Charles Anstice, (Born 8 Aug. 1944), Chairman: Festiniog Railway Company, since 2006; Ffestiniog and Welsh Highland Railways Trust (Formerly Festiniog Railway Trust), since 1998; Danube Eastern Railway Company, since 2013". Who's Who. 2007. doi:10.1093/ww/9780199540884.013.U31462. ISBN978-0-19-954088-4.