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Notes

This template shows railway companies that existed before the Grouping of 1923 and had some rail operating within Wales.

Sources

• Awdry, Christopher (1990). Encyclopaedia of British Railway Companies. Sparkford: Patrick Stephens Ltd. ISBN  1-8526-0049-7. OCLC  19514063. CN 8983.
• Baughan, Peter E. (1980). A Regional History of the Railways of Great Britain: Volume 11 North and Mid Wales (1st ed.). Newton Abbot: David & Charles. ISBN  0-7153-7850-3. OCLC  6823219.
• Baughan, Peter E. (1991). A Regional History of the Railways of Great Britain: Volume 11 North and Mid Wales (2nd ed.). Nairn: David St John Thomas. ISBN  0-9465-3759-3. OCLC  26361284.
• Boyd, James I.C. (1988) [1972]. Narrow Gauge Railways in South Caernarvonshire – Volume 1. Headington: The Oakwood Press. ISBN  978-0-85361-365-7. OCLC  20417464.