The American Geographical Society Library (AGSL) is one of the premier collections of its kind in North America and contains over 1.3 million items including maps, atlases, books, journals, pamphlets, photographs, slides, Landsat images, and digital spatial data. In relation to Sudan, this includes a significant collection of 19^th and 20^th century maps and personal photo collections that date from 1952-61.

The AGSL was formed in the early 1850s to support research in and diffusion of geographical and statistical information and to maintain a collection of maps, charts and instruments. By 1870, this library was already recognised as the ‘largest and most valuable’ of its type in the United States. Formerly the library and map collection of the American Geographical Society (AGS) of New York, it was then donated to the University of Wisconsin-Milwaukee Libraries in 1978, following a nationwide selection process by the AGS of New York. The AGSL collections now support instruction, research and outreach at the University of Wisconsin-Milwaukee and around the world.

The Library has thrived at the University of Wisconsin-Milwaukee and, through the years, the collections have expanded; donations of maps and related materials to enhance the library collections are much welcomed.