[68th Street façade of 680 Park Avenue.]

[Low Memorial Library, Columbia University.]

[Low Memorial Library, Columbia University.]

[First National City Bank building, 55 Wall Street.]

[First National City Bank building, 55 Wall Street.]

[600 Park Avenue.]

[600 Park Avenue.]

[972-973 Fifth Avenue.]

[11 East 73rd Street.]

[Harvard Club, 27 West 44th Street.]

[Harvard Club, 27 West 44th Street.]

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

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

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

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

[Council on Foreign Relations, 58 East 68th Street.]

[Racquet and Tennis Club, 370 Park Avenue.]

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

[Judge Building, 110 Fifth Avenue.]

[Council on Foreign Relations, 58 East 68th Street.]