218 East 57th Street. Apartment building, after alterations

218 East 57th Street. Apartment building. Interior, elevator cab in altered apartments

218 East 57th Street. Apartment building. Interior, elevator cab in altered apartments showing electric eye in action

322 East 57th Street. Apartment building

[444 East 57th Street. Apartment building.]

9 East 57th Street.

130-140 West 57th Street. Duplex Studio Apartments.

333 East 57th Street. Apartment building.

5 East 57th Street. Commercial building

221-223 West 57th Street. Scarboro Mansion Apartment house.

East 57th Street and Park Avenue. The Mayfair Apartments

East 57th Street and Park Avenue. Mayfair Apartment House

12 East 57th Street. Durand-Ruel Building.

234 East 52nd Street. Apartment building

250 West 57th Street. Fisk Building

East 57th Street and Lexington Avenue. Tishman Building. Interior, mail chute

320 East 57th Street. Apartments.

West 57th Street. Apartment house near Lotus Club.

130-140 West 57th Street. Duplex apartments.

57th Street and Park Avenue. Mayfair Apartment House.