[Plate 23: Bounded by Ninth Avenue, Columbus Avenue, W. 64th Street, Central Park West, Columbus Circle, Central Park South, Sixth Avenue, and W. 47th Street.]
from Atlas of the city of New York, borough of Manhattan. From actual surveys and official plans / by George W. and Walter S. Bromley.
Plate 15: Bounded by W. 52nd Street, Sixth Avenue, W. 40th Street, and (Hudson River) Twelfth Avenue.
from Atlas of the city of New York : embracing all territory within its corporate limits from official records, private plans & actual surveys / by and under the supervision of E. Robinson & R.H. Pidgeon, civil engineers.