The letters are arranged chronologically under each correspondent.

Horneman, H.F.

Letter, 1818, of H. Horneman to John Murray II. Folios 1-2.

Horner, Francis.

Letter, 1851, of Francis Horner to John Murray III. Folios 3-4.

Horner, George William.

Letters, 1903 and 1917, of George Horner to John Murray IV. Folios 5-7.

Horner, Joanna B.

Letters, 1854 and 1856, of Joanna Horner to John Murray III. Folios 8-11.

Horner, John Francis Fortescue.

Letters, 1917, of John Horner to John Murray IV. Folios 12-13.

Horner, Joseph [? Joseph Gregory].

Letters, 1876, of Joseph Horner to John Murray III. Folios 14-19.

Horner, Leonard.

Letters, 1826, 1829, 1831, 1837-1838, 1842-1846, 1853-1854, 1857 and 1862, of Leonard Horner to John Murray II and John Murray III. Folios 20-65.

Included is a letter, 1846, of Horner to John Gibson Lockhart (folios 54-55).

Horner, Susan.

Letters, 1855, 1863, 1867-1868, 1870, 1883, 1890 and 1896, of Susan Horner to John Murray III and John Murray IV (possibly including Hallam Murray). Folios 66-103.

Hornor, Thomas.

Letter, 1817, of Thomas Hornor to John Murray II. Enclosed is a note of introduction, 1816, on behalf of Hornor written by his ‘friend Mr Forbes’ to Murray. Folios 104-107.

Horsfield, Agnes Ethel.

Letter, undated, of Agnes Ethel Horsfield to John Murray, publishers. Folio 108.