Positioning on an old map
Plate 13: Bounded by W. 40th Street, E. 40th Street, First Avenue (Harlem River, Lumber Yards), E. 27th Street, W. 27th Street and Sixth Avenue. 1885
Positioning on an old map
Midtown New York 7th to 9 avenue - Historic Map 1916 1916
From The New York Public Library