The letters are to John Murray II and John Murray III. They concern Thomas Mitchell's literary and political interests, and indicate his familiar association with the Murrays.
AMDigital Reference:MS.40833 1828-1829: folios 1-26; 1830: folios 27-65 [Note]; 1831: folios 66-84; 1832: folios 85-102; [Note.] Folios 61-65: Two letters, 3 and 12 December 1830, from Thomas Mitchell to John Gibson Lockhart. Incoming correspondence received by John Murray, publishers
Original Version
Reproduction of: Letters to John Murray, publishers, from Thomas Mitchell Letters to John Murray, publishers, from Thomas Mitchell, 14 Jan 1828 - 16 Nov 1832