Keffer Collection of Sheet Music (University of Pennsylvania)
Physical Location:
Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, Folio M1.A13 K4 Box 7, no. 123; Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, Folio M1.A13 K4 Box 7, no. 124; Kislak Center for Special Collections, Rare Books and Manuscripts, Rare Book Collection, Folio M1.A13 K4 Box 30a, no. 55