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

Buckle, George, 1885-1931: folios 1-23:

includes letter, 1904, of George Buckle concerning Valentine Chirol, with his business card: folios 6-7;

Buckle, Samuel, 1833-1834: folios 24-25;

Buckler, John, 1881: folios 26-29:

includes letter, 1881, of John Buckler to Frederic Cook: folios 26-27;

Buckley, Henry, 1916: folios 30-31;

Buckley, William, 1856: folios 32-33;

Buckmaster, George, 1905: folios 34-35;

Buckton, James, 1828: folios 36;

Buckton, Jessie, 1902-1903: folios 37-45;

Budden, Richard, 1873-1886: folios 46-54:

includes panoramic map, c1873, “Panorama taken from the summit of the Mount San Salvatore near Lugano with the addition, on a larger scale, of Monte Rosa and surrounding peaks, sketched and painted from nature by F.E. Bossoli”;

[Folios 55-56 not used];

Budge, Edward, 1846 and undated: folios 57-60;

Budge, Ernest, 1891-1917: folios 61-63.