Title: The first Four Hundred
Subjects: Social life and customs, History, Elite (Social sciences), Upper class, Biography, Hardy Holzman Pfeiffer Associates, Catalogs, Architecture, New york (n.y.), biography, Celebrities, Architects, Architectural firms
Places: New York, New York (N.Y.), New York (State)
People: Caroline Schermerhorn Astor (1830-1908), Ward McAllister (1827-1895)
Time periods: 1865-1898, 19th century