From a wide number of sources, the Society has a unique, and extensive, collection of negatives covering pre-grouping, grouping and nationalised eras of British railways and many from overseas railways.
The lists currently available are set out on page Stephenson Photograph Collection, and can be obtained from Bradstones, Charlton Road, Holcombe, Bath, Somerset, BA3 5ER. The current price list and an order form can be viewed and printed as Adobe PDF files.

The photograph above shows GWR locomotive number 2925, St Martins' Hall, taken at Plymouth and is a sample from collection number 24.