See British National Record Archives: [1] (недоступная ссылка)
Historical Manuscripts Commission, UK National Register of Archives, Lant Carpenter, (1780—1840) Unitarian minister, 1799—1877: corresp (1 bundle, c. 203 items), Oxford University: Harris Manchester College Library, Reference: MSS Lant Carpenter, NRA 19870 Manchester Coll, see HMC Papers of British churchmen 1780—1940, 1987.