Keffer Collection of Sheet Music (University of Pennsylvania)
Physical Location:
Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, In Process; Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, Folio M1.A13 K4 Box 5, no. 9; Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, Folio M1.A13 K4 Box 5, no. 10