This collection includes the work of some of the western worlds’ best known recreational mathematicians from The Netherlands, the US and Canada. The collection was initiated by University of Calgary mathematics professor Dr. Richard Kenneth Guy in the 1970s. It includes also a large collection of books and other publications in several languages which may be accessed through the library’s discover tool, using subject term Mathematical Recreations and location Archives and Special Collections TFDL Reading Room Use Only. The personal papers of these mathematicians are complemented by puzzles, kaleidoscopes, board games, playing cards, cross stich work, drawings and models including arbelos and polygons.