Here is a list of useful secondary texts to gain a historical grounding on The Swansea & Mumbles Railway. These texts will enable you to undertake some background reading on the Swansea and Mumbles Railway before tackling the collection.
Gabb, Gerald, The Life and Times of the Swansea and Mumbles Railway, (Cowbridge: D. Brown, 1987).
Gittins, Rob, Rock & Roll to Paradise: The History of the Mumbles Railway, (Llandysul: Gomer Press, 1982).
Lee, Charles Edward, The Swansea and Mumbles Railway, 2nd ed, (South Godstone: Oakwood Press, 1954).
Lee, Charles Edward, The First Passenger Railway: The Oystermouth or Swansea and Mumbles Line, (The Railway Publishing co. ltd, 1942).
Llewellyn-Jones, Frank, ‘Steam and the Mumbles Railway’, Transactions of the Newcomen Society, Vol.51, pp 143-156, (1981).