The letters are arranged chronologically under each correspondent.

Barrow, George.

Letters, 1826-1858, of George Barrow to John Murray II and to John Murray III.

1826-1827: folios 1-6;

1830, 1833, 1835, 1838: folios 7-20;

1843-1844, 1846, 1849: folios 21-31;

1850, 1853, 1856-1858: folios 32-62.

Folios 13-14. Letter, 1835, of George Barrow to John Barrow (1808-1898).

Folio 36. Letter, 18 March 1850, of Francis Beaufort to George Barrow. The letter was forwarded as an enclosure to George Barrow’s letter to John Murray III of the 21 March 1850 (folios 34-35).

Barrow, George Staunton.

Letters, 1872-1873 and 1881-1882, of George Staunton Barrow to John Murray III. Folios 63-74.