Comparar
Plate 78, Part of Section 13, Borough of the Bronx. [Bounded by W. 235th Street, Netherland Avenue, 236th Street, Johnson Avenue, Riverdale Avenue, W. 246th Street, Delafield Avenue and W. 250th Street.]
from Atlas of borough of the Bronx, Sections 9 10 11 12 & 13 : from actual surveys and official plans / G.W. Bromley and Co.
New York Public Library1921