Rosenbach Museum & Library

The Rosenbach is located within two 19th-century townhouses at 2008 and 2010 Delancey Place in Philadelphia. The historic houses contain the collections and treasures of Philip Rosenbach and his younger brother Dr. A. S. W. Rosenbach. The brothers owned the Rosenbach Company which became the preeminent dealer of rare books, manuscripts and decorative arts during the first half of the 20th century. Dr. Rosenbach in particular was seminal in the rare book world, helping to build libraries such as the Widener Library at Harvard, The Huntington Library and the Folger Shakespeare Library. In 2013, the Rosenbach became a subsidiary of the Free Library of Philadelphia Foundation, but maintains its own board and operates independently of the public library system.The Rosenbach documents a panorama of American and European culture through its vast historical, literary and artistic treasures.State historical markerOn April 2, 2008, the Rosenbach received an official State Historical Marker by the Pennsylvania Historical and Museum Commission in recognition of the lasting contributions of museum co-founder, Dr. A.S.W. Rosenbach. The commission commemorated Dr. Rosenbach’s legacy as one of America’s greatest rare book dealers and his lasting contributions to Philadelphia and beyond with a marker in front of the museum, located at 2008-2010 Delancey Place Delancey Place (Philadelphia) in the city's historic Rittenhouse Square neighborhood.