Oxford Publishing Company or Railprint Collection
Collection of approximately 400,000 photographic negatives from various British Railways and constituent companies photographic collections, formerly known as the OPC (Oxford Publishing Company) Collection, contains material from Swindon (GWR) collection, Cowlairs (NBR) collection, LNER Civil Engineers collection, Derby (BR LMR) collection, Liverpool Street (LNER & BR ER) collection, Euston Public Relations & Civil Engineers (BR LMR) collection. Also approximately 30,000 microfilm aperture cards of engineering and architectural drawings from various works, known as the Oxford Publishing Company (OPC) Microfilm collection.