British Rail Class 503 (English Wikipedia)

Maund 2001, p. 82 Maund, T.B. (2001). Merseyrail Electrics: The Inside Story. NBC Books. ASIN B0047EA3HU. OCLC 655126526.
Maund 2001, p. 88 Maund, T.B. (2001). Merseyrail Electrics: The Inside Story. NBC Books. ASIN B0047EA3HU. OCLC 655126526.

barrowmoremrg.co.uk (Global: low place; English: low place)

Vehicle Diagram Book No. 210 for Electric Multiple Units (Including A.P.T.) (PDF). Derby: British Railways Board. 1981. p. EB203, EE202, EH214. Archived from the original (PDF) on 21 January 2015. Retrieved 4 June 2014 – via Barrowmore MRG.

ntlworld.com (Global: 8,803^rd place; English: 5,407^th place)

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"Class 503, a brief history". Andrew Phillips. Archived from the original on 5 February 2016. Retrieved 8 June 2015.

penmorfa.com (Global: low place; English: low place)

"Trains in the Mersey Docks". Penmorfa. Retrieved 4 June 2014.

railadvent.co.uk (Global: low place; English: 9,462^nd place)

Holden, Michael (12 February 2024). "End of the line for Class 503 Wirral train". Rail Advent. Retrieved 23 July 2024.

railpic.net (Global: low place; English: low place)

martynhilbert.railpic.net

"Class 503s at Birkenhead Mollington Street Depot". Martyn Hilbert's Railway Photography. Archived from the original on 6 June 2014. Retrieved 4 June 2014.

rhrp.org.uk (Global: low place; English: low place)

cs.rhrp.org.uk

"LMS 29720 TSO centre car of Class 503 EMU built 1938". Vintage Carriage Trust. Retrieved 4 June 2014.^{[dead link]}
"LMS 28690 Class 503 EMU DMBSO Built 1938". Railway Heritage Register Partnership. Archived from the original on 12 May 2025. Retrieved 15 May 2025.

southernelectric.org.uk (Global: low place; English: low place)

"Other Third Rail Electric Multiple Units and Locomotives". Southern Electric Group. Archived from the original on 6 June 2014. Retrieved 5 June 2014.

theisleofthanetnews.com (Global: low place; English: low place)

Bailes, Kathy (30 May 2018). "Last surviving Mersey Rail Class 503 train arrives at Locomotive Storage in Margate". Isle of Thanet News. Isle of Thanet. Retrieved 2 June 2018.

traincabs.co.uk (Global: low place; English: low place)

"The Cabs". The Cab Yard. Archived from the original on 16 May 2025. Retrieved 15 May 2025.

web.archive.org (Global: 1^st place; English: 1^st place)

"Class 503 recognition data". The Railway Centre. Archived from the original on 10 September 2012. Retrieved 4 June 2014.
Vehicle Diagram Book No. 210 for Electric Multiple Units (Including A.P.T.) (PDF). Derby: British Railways Board. 1981. p. EB203, EE202, EH214. Archived from the original (PDF) on 21 January 2015. Retrieved 4 June 2014 – via Barrowmore MRG.
"Class 503, a brief history". Andrew Phillips. Archived from the original on 5 February 2016. Retrieved 8 June 2015.
"Class 503s at Birkenhead Mollington Street Depot". Martyn Hilbert's Railway Photography. Archived from the original on 6 June 2014. Retrieved 4 June 2014.
"Other Third Rail Electric Multiple Units and Locomotives". Southern Electric Group. Archived from the original on 6 June 2014. Retrieved 5 June 2014.
"LMS 28690 Class 503 EMU DMBSO Built 1938". Railway Heritage Register Partnership. Archived from the original on 12 May 2025. Retrieved 15 May 2025.
"The Cabs". The Cab Yard. Archived from the original on 16 May 2025. Retrieved 15 May 2025.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Longworth 2015, pp. 18–19 Longworth, Hugh (2015). British Railways Electric Multiple Units to 1975. Oxford Publishing Co. ISBN 9780860936688. OCLC 923205678.
Maund 2009, p. 167 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Gahan 1983b, p. 51 Gahan, John W. (1983b). The Line Beneath The Liners: A hundred years of Mersey Railway sights and sounds. Birkenhead: Countryvise. ISBN 9780907768401. OCLC 60055667.
Maund 2009, p. 213 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2001, p. 82 Maund, T.B. (2001). Merseyrail Electrics: The Inside Story. NBC Books. ASIN B0047EA3HU. OCLC 655126526.
Longworth 2015, p. 310 Longworth, Hugh (2015). British Railways Electric Multiple Units to 1975. Oxford Publishing Co. ISBN 9780860936688. OCLC 923205678.
Longworth 2015, pp. 325, 327 Longworth, Hugh (2015). British Railways Electric Multiple Units to 1975. Oxford Publishing Co. ISBN 9780860936688. OCLC 923205678.
Longworth 2015, p. 318 Longworth, Hugh (2015). British Railways Electric Multiple Units to 1975. Oxford Publishing Co. ISBN 9780860936688. OCLC 923205678.
Longworth 2015, p. 320 Longworth, Hugh (2015). British Railways Electric Multiple Units to 1975. Oxford Publishing Co. ISBN 9780860936688. OCLC 923205678.
Marsden 2008, p. 136 Marsden, Colin J. (2008). The DC Electrics. Ian Allan. ISBN 9780860936152. OCLC 318668763.
Marsden 1982, p. 120 Marsden, Colin J. (1982). EMUs. Motive power recognition. Vol. 2. Ian Allan. ISBN 9780711011656. OCLC 16537600.
Marsden 2008, p. 138 Marsden, Colin J. (2008). The DC Electrics. Ian Allan. ISBN 9780860936152. OCLC 318668763.
Marsden 1982, p. 121 Marsden, Colin J. (1982). EMUs. Motive power recognition. Vol. 2. Ian Allan. ISBN 9780711011656. OCLC 16537600.
Marsden 1982, p. 122 Marsden, Colin J. (1982). EMUs. Motive power recognition. Vol. 2. Ian Allan. ISBN 9780711011656. OCLC 16537600.
Gahan 1983a, p. 66 Gahan, John W. (1983a). Steel Wheels to Deeside - The Wirral Railway past and present. Birkenhead: Countryvise. ISBN 0-907768-70-9. OCLC 13760859.
Maund 2009, p. 154 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2009, p. 161 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2009, p. 234 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2009, p. 177 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2009, p. 156 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Cadwallader & Jenkins 2010, p. 75 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 67 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 66 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 60 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 63 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 73 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Cadwallader & Jenkins 2010, p. 79 Cadwallader, Jonathan; Jenkins, Martin (2010). Merseyside Electrics. Ian Allan. ISBN 9780711034174. OCLC 455806364.
Maund 2009, p. 214 Maund, T.B. (2009). The Wirral Railway and its Predecessors. Gloucestershire: Lightmoor Press. ISBN 978-1-899-88938-9. OCLC 604772937.
Maund 2001, p. 88 Maund, T.B. (2001). Merseyrail Electrics: The Inside Story. NBC Books. ASIN B0047EA3HU. OCLC 655126526.
"Readers' round-up: EMU". Rail Enthusiast. EMAP National Publications. October 1983. p. 49. ISSN 0262-561X. OCLC 49957965.
"No green 503". Rail Enthusiast. No. 52. EMAP National Publications. January 1986. p. 23. ISSN 0262-561X. OCLC 49957965.
"Mersey Railway 100 years old!". Rail Enthusiast. No. 55. EMAP. April 1986. p. 27. ISSN 0262-561X.

British Rail Class 503 (English Wikipedia)

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