420 Lexington Avenue. Graybar Building. Interior, mailbox

430 Lexington Avenue. Graybar Building, detail of south entrance.

430 Lexington Avenue. Graybar Building, detail of north entrance.

420 Lexington Avenue at 43rd Street. Graybar Building.

500 Fifth Avenue. Commercial building. Entrance with stonework

350 Fifth Avenue. Empire State Building. Detail entrance doors

608 Fifth Avenue. Goelet Building. Entrance

101 Park Avenue. Architects Building. Entrance

608 Fifth Avenue. Goelet Building. Interior, entrance lobby

608 Fifth Avenue. Goelet Building. Detail of metalwork over entrance

608 Fifth Avenue. Goelet Building. Detail of metalwork over entrance

101 Park Avenue. Architects Building. Entrance

[General Electric Building, 570 Lexington Avenue.]

[Graybar Building.]

711 Fifth Avenue. National Broadcasting Building. Detail of main entrance

Buildings, Railroad Building & Loan, 441 Lexington Avenue.

274 Madison Avenue. Alexander Wilson building, entrance

East 66th Street and Lexington Avenue, northeast corner. Apartment building, entrance

350 Fifth Avenue. Empire State Building. Entrance

[Mobil Building and 369 Lexington Avenue.]