Fonds consists of typescript and holograph manuscripts of mathematical calculations, proofs, notes, diagrams and diary entries; and coloured slides of tiling diagrams of geometric shapes in various combinations and sequences. Mathematical subjects include hexagonal tiling and prime numbers. Titles on binders containing manuscripts include Tile, Twinlock, N-rep presentations, Hex, Penrose pair, N roots, Re-ordering of O-branch sets and Pythagorean (Hex) numbers play.

Collection consists of letters from or to various Arctic explorers, including among others Sir John Franklin, Sir George Back, Sir Francis Leopold McClintock, Sir George S. Nares, Sherard Osborn, Sir William Parry, John Rae, Sir John Ross and Sir James Clark Ross; photostat copies of records found on northern Ellesmere Island in 1948 left by the Nares (1875-1876) and Peary (1905-1906) expeditions; notebook titled Glacial action high latitudes, discussing research by Arctic expeditions undertaken between 1585 and 1887; engraving of Sir G. Back and photograph of Sir F.L. McClintock; newsclippings; and other miscellaneous documents and artifacts.

Fonds consists of correspondence; research material on a broad range of mathematical topics; manuscripts of mathematical articles, notes, calculations and solutions to mathematical problems; and published work.

Fonds consists of Leon Bankoff's collection of material relating to a geometric figure, the 'arbelos'. Includes correspondence, primarily with other mathematicians including Clayton W. Dodge, Howard Eves, Leo Sauvé, and Charles W. Trigg; manuscripts including notebooks; published works; works by others; and material by and about M. Victor Thébault.

Fonds consists of correspondence between C.M. Jones and Richard Guy and solutions to problems in number theory.

Fonds consists of correspondence with internationally renowned mathematicians; manuscripts of articles and papers; research, teaching and conference materials; newspaper clippings; notebooks; pamphlets; published works; awards; an unpublished manuscript written with Dutch mathematician Nicholaas G. de Bruijn entitled Pattern enumeration; and papers and articles by others.

Fonds consists of miscellaneous archival material including: newspaper clippings of puzzles and other items relating to recreational mathematics, mainly in Dutch (Acc 2080); Martin Gardner's Mathematical games column from Scientific American, December 1956-September 1974 (Acc 2120); various supplementary catalogues and mailings from Mathematisch Centrum, 1949-1964 (Acc 2123); a partial descriptive catalogue of the Eugene Strens Recreational Mathematics book collection on 4x6 cards and miscellaneous items removed from the books and journals in the collection (Acc 2188-2189); and an album of photographs and text from the Eugène Strens Memorial Conference on Intuitive and Recreational Mathematics and Its History, July 27 - August 2, 1986, University of Calgary, Calgary, Alberta (Acc 2774).

Fonds consists chiefly of material relating to the Canadian Arctic Expedition, 1913-1918, led by Vilhjalmur Stefansson. Includes correspondence, biological reports and official journals kept by F. Johansen, chiefly on hydrography and entomology, as a member of the Southern Party of the Expedition. Also includes correspondence, biological reports and diaries relating to F. Johansen's field research in Hudson and James Bays, June 1920 - October 1920; scientific reports and species lists resulting from other field expeditions by F. Johansen and others, 1897-1926; and transcriptions of articles and personal narratives of scientific explorers, chiefly on hydrography, geology and meteorology, ca. 1804 to the early 1900s.

Fonds consists of correspondence between H.L. Nelson and various persons relating to puzzles and games and to Journal of Recreational Mathematics during period when H.L. Nelson was editor of the journal.

Fonds consists of manuscripts and published works by J.R. Hendricks, a compact disk containing many of his publications, works about him and works by others.