All the letters are arranged alphabetically by correspondent and by date under each name.

Campbell, George Granville.

Letters, 1876 and 1906, of Lord George Granville Campbell to John Murray III and John Murray IV respectively. Folios 1-3.

Campbell, Hallyburton George.

Letters, 1894-1897 and 1903, of Hallyburton George Campbell to John Murray IV. Folios 4-12.

Campbell, Helen Constantia.

Letter, 1900, of Helen Constantia Campbell to John Murray IV. Folios 13-14.

Campbell, Helen Janet Douglas.

Letter, 1919, of Helen Janet Douglas Campbell to John Murray IV. Folios 15-18.

Campbell, Henry A.

Letters, 1892, of Henry A. Campbell to John Murray Alexander Hallam Murray. Folios 19-22.

Campbell, Hugh Hume.

Letter, 1856, of Sir Hugh Hume Campbell to John Murray III. Folios 23-24.

Campbell, Hugh Y.

Letters, 1818 and 1827, of Hugh Y. Campbell to John Murray II. Folios 25-28.

Campbell, James.

Letter, 1828, of James Campbell to John Murray II. Folios 29-30.

Campbell, James.

Letter, 1839 and 1844, of James Campbell to John Murray II and John Murray III. Folios 31-34.

Campbell, James M.

Letters, 1825, of James M Campbell to John Murray II. Folios 35-41.

Campbell, John.

Letters, 1845-1853, 1855-1859 and undated, of Lord John Campbell to John Murray III. Folios 42-123.

Folio 79. Letter, 1850, of George Harris to John Murray III.

Folios 122-123. Letter of Douglas Huntly Gordon to John Murray VI and the reply.

Campbell, John George Edward Henry Douglas Sutherland.

Letters, 1887, 1900, 1904, 1906 and 1907, of John George Edward Henry Douglas Sutherland Campbell, 9th Duke of Argyll, to John Murray IV. Folios 124-130.

Campbell, John Gordon Drummond.

Letter, 1901, of John Gordon Drummond Campbell to John Murray IV. Folio 131.