The letters are arranged chronologically under each writer.

Babington, Churchill.

1876: folios 1-2.

Babington, John Albert.

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

1897: folios 3-27;

1900: folios 28-49;

1901: folios 50-57;

1902: folio 58.

Back, George.

The letters appear to be to John Murray II and to John Murray III.

1828: folios 59-66;

1835: folios 67-70;

1836: folios 71-84;

1837: folios 85-90;

1838: folios 91-115;

1839: folios 116-121;

1840: folios 122-123;

1845: folios 124-126;

1846: folios 127-130;

1854: folios 131-132;

1857: folios 133-134;

1860: folios 135-137;

1869: folios 138-139;

undated and partially dated: folios 140-148.