Jones, Elizabeth, Farquhar, John & Crumin Michael and Jones, Elizabeth & Maccrumin, John Farquhar (1792)
Jones, Elizabeth, Farquhar, John & Crumin Michael (also recorded as Jones, Elizabeth & Maccrumin, John Farquhar), Bridge St, Westminster, London, u (1792). Bankrupt June 1792. [Bailey's list of bankrupts; Derby Mercury, 21 June 1792]
The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.