Wisconsin, nicknamed the Badger state and America's Dairyland, became a state on May 29, 1848. The state capital is Madison. Milwaukee is the largest city in Wisconsin.

This guide compiles links to digital materials related to Wisconsin such as books, government documents, manuscripts, maps, motion pictures, photographs, sheet music, and sound recordings that are available throughout the Library of Congress website. In addition, it provides links to external websites focusing on Wisconsin and a bibliography containing selected works for both general and younger readers.