A map of Morningside Heights found in Atlas of the city of New York, Manhattan Island based on actual surveys and official plans.
Bromley, George Washington
Atlas of the city of New York, Manhattan Island. From actual surveys and official plans
Philadelphia: G. W. Bromley
Bromley, George Washington, “Morningside Heights,” A Digital History of Morningside Heights, accessed July 14, 2020, https://mhdh.library.columbia.edu/items/show/245.