3rd shipment, 2nd Mezz. & 3rd Floor plan, Sheet No. E301, made by LET 8-23-37.
Series
New-York Historical Society Records, 1804-2018. Record Group 3. Original Building Planning & Construction Records, 1848-1946. Series IV. Central Park West Construction: Expansion 1925-1946. Subseries IV.C. Plans and Drawings 1925, 1935-1938.