↑On page 17 of his book 700 Sundays, Crystal displays his birth announcement, which gives his first two names as "William Edward", not "William Jacob" Crystal, Billy (2005). 700 Sundays. Grand Central Publishing. s. 17. ISBN978-0-446-57867-7. Sunday Number One. I'm born. March 14, 1948, in Manhattan at Doctor's [sic] Hospital overlooking Gracie Mansion. 7:30 in the morning.
↑Note: Some sources have given 1947, as per FilmReference.com, below