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.

350 Fifth Avenue. Empire State Building. Detail entrance doors

420 Lexington Avenue at 43rd Street. Graybar Building.

608 Fifth Avenue. Goelet Building. Entrance

608 Fifth Avenue. Goelet Building. Interior, entrance lobby

101 Park Avenue. Architects Building. Entrance

500 Fifth Avenue. Commercial building. Entrance with stonework

[Mobil Building and 369 Lexington Avenue.]

101 Park Avenue. Architects Building. Entrance

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

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

135 Madison Avenue. Detail of entrance

[General Electric Building, 570 Lexington Avenue.]

[Graybar Building.]

149 Broadway. Singer Building, detail of entrance.

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

220 East 42nd Street. Daily News Building. Entrance

[Railroad Building & Loan, 441 Lexington Avenue.]