The letters appear to be to John Murray IV and to Hallam Murray.

The letters are arranged chronologically. Letters for which only a suggested year is given are placed at the end of the year to which they are thought to relate. Undated letters, and for which no date has been supplied, are placed at the end of the sequence of dated letters.

1890: folios 1-2;

1891: folios 3-10;

1892: folios 11-41;

1893: folios 42-45;

1894: folios 46-52;

1895: folio 53;

1896: folios 54-57;

1897: folios 58-59;

1898: folio 60;

1899: folios 61-69;

1900: folios 70-75;

1901: folios 76-105;

1902: folios 106-137;

1903: folios 138-139;

1906: folios 140-141;

1909: folios 142-143;

1911: folios 144-145;

1916: folio 146;

1918: folio 147;

undated: folios 148- 151.