- 1J E H Andrew and Company Limited gas engines catalogue (YA1996.432)
c 1887, item - 2Leaflet on the Stockport and Bisschop Gas Engines (YA1996.433)
1887, item - 3The "Otto" Gas Engine (YA1996.2332)
April 1889, item - 4Collection of L Gardner & Sons Material (YA2009.44)
c 1954 - c 1997, fonds - 5Diagram of Parts for Crossley Gas Engines Sizes G. & S. 115 to G. & S. 228 (YA2009.75)
1913 - 1955, item