580 Park Avenue. Apartment building

720 Park Avenue. Apartment building

660 Park Avenue. Apartment building

775 Park Avenue. Apartment building

East 63rd Street and Park Avenue. Apartment building

1045 Park Avenue. Apartment building

810 Fifth Avenue. Apartment building

820 Park Avenue. Apartment building

888 Park Avenue. Apartment building

941 Park Avenue. Apartment building

975 Park Avenue. Apartment building

888 Park Avenue. Apartment building

521 Park Avenue. Apartment building. American Institute of Architects exhibition 1933

1075 Park Avenue. Apartment building

856 Fifth Avenue. Apartment building

943 Lexington Avenue. Apartment building

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

912 Fifth Avenue. Apartment building

920 Fifth Avenue. Apartment building

952 Fifth Avenue. Apartment building