Zacour, N. P., & Hirsch, R. (1965). Catalogue of manuscripts in the libraries of the University of Pennsylvania to 1800. Philadelphia: University of Pennsylvania Press.
Chicago Style CitationZacour, Norman P., and Rudolf Hirsch. Catalogue of Manuscripts in the Libraries of the University of Pennsylvania to 1800. Philadelphia: University of Pennsylvania Press, 1965.
MLA CitationZacour, Norman P., and Rudolf Hirsch. Catalogue of Manuscripts in the Libraries of the University of Pennsylvania to 1800. Philadelphia: University of Pennsylvania Press, 1965.