- 1Collection of papers relating to Frederick J. Abbott Ltd (YA1989.30/MS0230)
1892-1987, fonds - 2Collection of ledgers and journals relating to Frederick J. Abbott Ltd (YA1990.31/MS0230)
1892-1987, fonds - 3Company Papers for the Manchester Ship Canal Pontoons and Dry Docks Company Limited (YA1999.66)
27th October 1891 - 30th December 1907 December, fonds - 4Commonplace books of an unknown engineer (CPB)
1825-1837, fonds