The papers consist primarily of Daly's meticulous records of experiments, covering the period 1919-1965, in a series of large notebooks, all indexed by him, some of which represent compilations of material gathered over many years from a variety of sources. There is also correspondence with, and biographical information regarding, several eminent physiologists including Sir Edward Sharpey-Schafer and Sir Charles Sherrington. William Sharpey is represented by five autograph letters to Sir Charles Lyell, 1858-1871.

Papers of Alexander Peter Buchan, 1799-c 1824, comprising 2 volumes. Volume 1 contains manuscript notes and insertions concerning human longevity. The insertions are from James Easton Human Longevity: recording the name, age, place of residence, and year, of the decease of 1712 persons, who attained a century and upwards from AD 66 to 1799, comprising a period of 1733 years with Anecdotes of the most remarkable (Salisbury and London, 1799). Volume 2 contains a manuscript translation of Mssrs A Seguin and Lavoisier Respiration of Animals (Academy of Sciences, 1789).