The contents are as follows:  Fifteen letters, 1850-1854, of John Gibson Lockhart as editor of the 'Quarterly Review', to the Reverend Whitwell Elwin, a contributor and his successor as editor(MS.145);   Twenty letters, [1832], 1843, 1850-1854, of John Gibson Lockhart, editor of the ‘Quarterly Review’, to the Reverend Whitwell Elwin, a contributor and his successor as editor (MS.341);   Letters, [?1822-?1841], of John Gibson Lockhart to Allan Cunningham, about the latter's 'The lives of the most eminent British painters, sculptors and architects', and other matters (MS.820);   Letters, 1821-1832, of Sir Walter Scott to John Gibson Lockhart (MS.859).