Gelman Library has been a U.S. Federal Depository Library since 1984. As a selective depository, the Library receives only some of the documents published by the government, chosen to support the research and teaching mission of the University.
As the primary law of the land, the U.S. Constitution was ratified on September 17, 1787. It details the three branches of government and outlines the basic rights of citizens of the United States. An electronic exhibit of the Constitution can be found at the National Archive website.