Hellman, Geoffrey T. (October 6, 1956). "Happy Man". New Yorker. p. 34.
nyc.gov
s-media.nyc.gov
"Paul Rudolph Penthouse & Apartments"(PDF). New York City Landmarks Preservation Commission. November 16, 2010. Archived(PDF) from the original on April 27, 2021. Retrieved May 8, 2021.
"Paul Rudolph Penthouse & Apartments"(PDF). New York City Landmarks Preservation Commission. November 16, 2010. Archived(PDF) from the original on April 27, 2021. Retrieved May 8, 2021.