All the letters are arranged alphabetically by correspondent and, where required, by date under each name. Further items have been added at the end of the sequence.

Boulard, Antoine, 1814-1816: folios 1-4;

Boulay, Sybella Du, 1866-1867: folios 5-18:

includes letter, [1867], of John Harding to Sybella Du Boulay: folios 15-16;

Boulger, Demetrius, 1880-1901: folios 19-38;

Boulter, Walter, 1899: folios 39-40;

Boulton, Alexander Forster, 1900-1903 and undated: folios 41-43;

Boulton, William, 1893-1902: folios 44-63:

includes letter, 1902, of Charles Weld Blundell to William Boulton: folios 60-61;

Bourchier, Arthur, 1902: folios 64-65;

Bourchier, James, 1918: folios 66-67;

Bourdillon, Francis, 1885-1914: folios 68-71;

Bourdillon, James, 2nd half of 19th century: folios 72-73;

recipient of letter: Edward Eastwick;

Bourdillon, Sophia, 1870: folios 74-75;

Bourgade, E. de, 1886: folios 76-77;

Bourke, Algernon, 1893-1895: folios 78-84;

Bourke, Lucy, c1910: folio 85;

Bourke, M.M. Hamilton, 1885: folios 86-97;

Bourke, Richard, 1868: folios 98-99;

Bourne, Gilbert, 1892: folios 100-109;

Bourne, Robert, 1902-1906: folios 110-117;

Bourne and Shepherd, 1889: folios 118-119;

Boutell, Charles, 1863-1868: folios 120-125;

Boutwood, Arthur, 1911: folios 126-127;

Bouverie, Frederick, 1862: folios 128-129;

Boulmont, Irene, 1924-1925 and 1927: folios 130-141:

includes copies of two letters, 1925, of John Murray IV to Irene Boulmont, folios 136 and 139.