Manuscript volume titled 'On the Incubation of an Egg', c 1769, comprising notes and observations on the incubation of a hen's egg. Including references to the work of Marcello Malpighi (1628-1694), Albrecht von Haller (1708-1777), and John Hunter (1728-1793).

Papers of Sir Herbert Taylor, 1826-1827, comprising a volume of manuscript notes titled Memorandum, between the 9th June 1826 and 5th January 1827, describing the condition and state of mind of Prince Frederick, Duke of York (1763-1827) during his last illness.

Manuscript volume containing notes on Robert Whytt's clinical lectures, delivered at Edinburgh University, [1760], taken by an unidentified student. Also includes some 'Directions given by the Physician General at the Havannah to the surgeons of the Army relating to the management of the sick'.

Papers of Lord Russell Claude Brock, 1926-1977, comprising 5 volumes of surgical notebooks, 1926-1976; an undated manuscript of a book on Astley Cooper; correspondence relating to the annals of the Royal College of Surgeons of England; material for a British Medical Journal article on the importance of environmental controls in the operating room and the intensive care unit, c 1975; a file of charts and readings relating to clinical temperature observations: material for a British Medical Journal article titled 'Observations on central and peripheral temperatures etc relating to shock', c 1969; and material for a Journal of Physiology article on the thermal sensors of the heart, 1977.

Papers of Juan N Restrepo and Julio M Escovar, 1892-1894, comprising a manuscript volume titled Ulceracion fagedenica del abdomen; observacion clinica muy interesante recojida en el Hospital de Caridad de Honda (Republica de Colombia) containing clinical observations of a case of Phagedaena, an ulcerative condition of the skin, made at the Charity Hospital in Honda, Colombia, by Drs Restrepo and Escovar.

Papers of Jacob Vale Asbury, 1816-1843, comprising a manuscript volume by Asbury, containing notes of the lectures of John Abernethy given at St Bartholomew's, 25 Jul 1816; notes titled Observations on the Pulse, by Dr Fordyce, 18 Sep 1816; notes titled Lectures on the Principle Operations of Surgery by Sir Everard Home, 1812; notes titled Cases and Original Observations, 1842; tables of statistics on the population of Enfield, and Great Britain; and mathematical calculations on the cubic inches of water in a box.

Papers of Vice-Consul Chaillet, comprise 'Observations on the western coast of the Morocco state during my journey from Mogador to Tangier in July and August, 1830; memorandum respecting the foundation of Mogador, its trade, descriptions of the bay...' , bound with copy of a letter to Consul-General Douglas, 21 Aug. 1828, concerning the death of Major Laing.

Papers of Professor Alfred Fowler, 1903-1935, including observations on the sun, 1903-1910; laboratory notebooks, 1906-1913; telescope design, 1906-1910; miscellaneous correspondence, 1916-1935.

Papers of Sir Benjamin Brodie, 1816-c 1970, comprising manuscript notes by Brodie, for his lectures on Physiology, 1820-1823; Brodie's manuscript autobiography, c 1855; 2 typescript copies of Brodie's autobiography; 4 manuscript receipt books of fees paid to Brodie, 1816-1860; Brodie's prescription book, c 1850; manuscript letters including 7 letters to Dr W J Little, prescriptions, a letter of recommendation, and letters of admittance to the RCS Museum, c 1841-1859; manuscript notes of observations whilst inspecting the body of Mr Scott, 11 Sep 1811; map of Broome Park, former home of Brodie, c 1946; ephemera including notes and a photograph relating to Peter Martin, who attended Brodie in his last illness; a photocopy of a poem about Brodie from Punch, 1858; photographs of Brodie's gravestone; photographs of Brodie-related buildings and memorials, c 1970; and an undated diploma from Philadelphia, and a diploma from the University of Giessen, Germany, 1850.

Papers of Westminster Hospital, 1802-1818, comprising a volume by an unknown author, containing lists of male and female patient records and observations.

Register of midwifery cases, 1847-1873, comprising a printed introduction to the layout of the volume; a periodoscope, a circular disc used to calculate the period of pregnancy and date of conception; and detailed midwifery case notes.