- 1General Heat Exchange Products for Chemical and Gas Industries Oil Refineries and General Power Plant, Etc. (YA1996.2230)
1950 August, item - 2General Catalogue No. 400 (YA1996.2233)
20th century, item - 3Papers relating to Holden & Brooke Ltd and Smith (Piccadilly) Limited (YA2003.44)
1933-1946, fonds - 4Holden & Brooke Ltd engineering drawings (YA1984.98)
1921-1924, fonds
