A collection of tracts on fortification and geometry, 17th and 18th centuries: Folio 1 Della Fortificatione; Folio 53 Geometrica Prattica; Folio 83 Della sfera; Folio 104-115 Blank sheets and oddments; Folio 116 Del Misurare da Contano; Folio Il quaduarete Geometrico; Folio Aritmetica.

A complete ternary square table up to 256,000 followed by a quaternary square table by Solomon Moses Drach, 1866.

Papers of Thomas Muir comprising notebooks: a series of six loosely-bound collections of notes and drafts; 'Articles for Pogendorff VI', notes and first draft completed 1933; 'Oblong Arrays' material for paper 304 1-30, 31-60, 61-93 and 'Dunkel Notes', material for paper 305 1-30, 31-51.

Papers of Harry Bateman including three notebooks, two (numbered six and seven) containing notes from the lectures of E T Whittaker at Trinity College Cambridge 1903-1904; one containing formulae connected with the Legendre and Bessel functions, with Trinity examination paper 1880 and printed testimonial by Rutherford.

Two manuscripts by Louis Joel Mordell: 1. 'On the geometry of numbers in some non-convex regions' 60 pages, some manuscript corrections and 2. ' Hardy's mathematician, apology' review article 10 pages, photocopy.

Methodo Inverso dos Limites ou Desenvoluimento geral das Funcoens algorithmicas em Series par Francisco de Borja Garcao Stockler.

Mathematical and scientific papers of George Boole.

A system of mathematical tables inscribed on title page ' James Elgar May 8th 1756'. Originally entitled 'A system of mathematical tables by James Elgar and John Newton' and bound with 'Tabulae Mathematicae' by John Newton.

A collection of letters to Abraham Sharp between the years 1701-2 and 1719.

Copy of 'The radix; a new way of looking at logarithms...in five problems by Robert Flower' made in 1877 by Alexander John Ellis with supplementary notes by Ellis including biographical information on Flower.

Correspondence of Dr Brook Taylor, Secretary of the Royal Society on mathematical subjects with Professor Keil, Mr Machin, Bernouilli, the Abbot Conti, the Comte Raymond de Montmort, 1712-1717.

Papers of Thomas George Cowling including correspondence with Neil Oscar Weiss, 1964-1989 and P A Gilman, 1980-1982.

Reports, observations, notes and photos of Canada by Thomas Henry Manning, 1936-1946, including descriptive report, Northern Manitoba and South-east Keewatin, 1945; descriptive report and technical report, east coast of Hudson's Bay, Ottawa Islands, etc., 1946 (duplicates of reports submitted to the Geodetic Service of Canada); astronomical observations, topological notes and rough sketch maps of Whale Point and surrounding area, 1936-1938.

Papers, 1931-1947, relating to the literary work of Ethel Maud Rowell, including offprints of published essays in journals such as the Hibbert Journal, The aryan path and Philosophy, as well as a published copy of her book Time and Time again: essays on various subjects (Allen and Unwin, London, 1941); newspaper cuttings comprising reviews of Rowell's published works, notably Time and Time again; typescripts and manuscripts of essays, stories and poems by Rowell. Correspondence, 1908-1954, relating to publication of Rowell's work, both before and after her death in 1951, including correspondence, 1951-1954, between Professor Elizabeth Marianne Blackwell, Head of the Botany Department at Royal Holloway College, and various publishing firms, concerning the possibility of the posthumous publication of 'Of memory and some other matters', a second collection of essays by Rowell. Miscellaneous documents relating to Rowell, notably a copy of a letter from the Rev Charles Lutwidge Dodgson (Lewis Carroll), 1895 and photographs of Rowell and other staff at Royal Holloway College, [1907-1939].

Copies of reviews of books on mathematical subjects, mainly for the ASLIB Book Review, 1957-1977.

Letter from Baldassarre Boncompagni-Ludovisi, 1856 to [To Augustus De Morgan], asking for a copy of 'The Elements of the Mathematical art commonly called Algebra, expounded in two books, by John Kersey. 1717'.