This collection contains original and reprographic architectural drawings for two properties occupied by the Convent of the Sacred Heart in Manhattan. These include the former James A. Burden, Jr., residence at 7 E. 91st St., designed by the New York architectural firm of Warren, Wetmore & Morgan in 1902-1903; and the Otto H. Kahn residence at 1 E. 91st St., designed by New York architect C. P. H. Gilbert in 1916-1918.