[Advertising Club of New York, 23 Park Avenue.]

[972-973 Fifth Avenue.]

[Advertising Club of New York, 23 Park Avenue.]

[Advertising Club of New York, 23 Park Avenue.]

East 73rd Street. Gibson residence.

[Metropolitan Club, 1-11 East 60th Street.]

[680 Park Avenue.]

[68th Street façade of 680 Park Avenue.]

[Park Avenue and 73rd Street.]

[Architectural detail of 253 West 73rd Street.]

[Architectural detail of 253 West 73rd Street.]

[The Century Association, 7 West 43rd Street.]

[The Century Association, 7 West 43rd Street.]

[The Century Association, 7 West 43rd Street.]

11 East 73rd Street. Pulitzer residence

[25 East 78th Street.]

[Museum of Primitive Art, 13-15 West 54th Street, Rhodes School, 9-11 West 54th Street, and 7 West 54th Street.]

[Washington Arch.]

[Museum of Primitive Art, 13-15 West 54th Street, Rhodes School, 9-11 West 54th Street, and 7 West 54th Street.]

[Interborough Rapid Transit Company powerhouse.]