640 Park Avenue. Apartment building

775 Park Avenue. Apartment building

580 Park Avenue. Apartment building

943 Lexington Avenue. Apartment building

East 63rd Street and Park Avenue. Apartment building

888 Park Avenue. Apartment building

941 Park Avenue. Apartment building

660 Park Avenue. Apartment building

975 Park Avenue. Apartment building

1045 Park Avenue. Apartment building

820 Park Avenue. Apartment building

810 Fifth Avenue. Apartment building

912 Fifth Avenue. Apartment building

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

856 Fifth Avenue. Apartment building

888 Park Avenue. Apartment building

1075 Park Avenue. Apartment building

East 88th Street and Park Avenue. Apartment building

[800 Park Avenue.]

920 Fifth Avenue. Apartment building