Subject: Architectural firms -- New York (State) -- New York / Place: New York (N.Y.) -- Buildings, structures, etc / Level: Collection / Names: Alfred I. Dupont mansion (Roslyn, N.Y.)

Start Over Level Collection Names Alfred I. Dupont mansion (Roslyn, N.Y.) Place New York (N.Y.) -- Buildings, structures, etc Subject Architectural firms -- New York (State) -- New York