The Library Company of Philadelphia is an independent research library concentrating on American society and culture from the 17th through the 19th centuries. Free and open to the public, the Library Company houses an extensive non-circulating collection of rare books, manuscripts, broadsides, ephemera, prints, photographs, and works of art. The mission of the Library Company is to foster scholarship in and increase public understanding of American history before 1900 by preserving and interpreting the valuable materials in our care.