[15 West 81st Street. Apartment building.]

11 West 81st Street. Brownette Apartments.

[West 81st Street and Columbus Avenue. Apartment building.]

45 East 81st Street. Apartments, exterior.

West 81st Street. J.R. Bremner Co. residence, library interior.

81st Street and Central Park West. The Beresford.

163 East 81st Street. Ten-story apartments.

993 5th Avenue at 81st Street. Apartments, exterior.

129 East 81st Street. Residence.

15 East 81st Street. G.L. Winthrop residence.

West 81st Street.

Central Park West and 81st Street. American Museum of Natural History, Hayden Planetarium, view in the planetarium.

Central Park West and 81st Street. American Museum of Natural History, Hayden Planetarium, close-up of Earth.

81st Street and 1st Avenue, S.E. corner. American Union Bank, view [of[ 81st Street elevation.

996 5th Avenue at 81st Street, N.E. corner. Apartments.

Central Park West and 81st Street. American Museum of Natural History, Hayden Planetarium, night view, exterior elevation.

Central Park West and 81st Street. American Museum of Natural History, Hayden Planetarium, night view, exterior in perspective.

935 Park Avenue at 81st Street, S.E. corner. Apartment buildings, exterior.

Central Park West and 81st Street. American Museum of Natural History, Hayden Planetarium, detail of showcase, front hall.

9 East 81st Street. Pinchot Residence.