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

Blades, George, 1928: folio 1;

Blaikie, Francis, 1827: folios 2-3;

Blaikie, Walter, 1900-1915: folios 4-17:

includes letters, 1815, of Walter Blaikie on behalf of T. and A. Constable, printers, to John Murray IV: folios 15-17;

Blaikie, William, 1879-1897: folios 18-44;

Blaine, Delabere, 1847-1860 and undated: folios 45-77:

includes undated and incomplete letter: folio 77;

Blair, A.B., 1871: folios 78-79;

Blair, David Hunter-, 1919: folio 80;

Blair, James, 1926: folios 81-85:

includes note, [1926], of ?John Murray IV or John Murray V: folio 85;

Blair, Thomas, 1813: folios 86-87;

Blair, William, 1803: folios 88-89.