Fishgall, Gary. Gregory Peck: A Biography. New York: Scribner. 2002. ISBN 0-684-85290-X

Freedland, Michael. Gregory Peck: A Biography. New York: William Morrow and Company. 1980. ISBN 0-688-03619-8

Haney, Lynn. Gregory Peck: A Charmed Life. New York: Carroll & Graf Publishers. 2004. ISBN 0-7867-1473-5

John Griggs, Gregory Peck, Gremese, Roma 1984, ISBN 88-7605-134-1

Riccardo F. Esposito, Il buio oltre la siepe. Il libro, il film, Le Mani-Microart's, Recco 2009, ISBN 978-88-8012-486-3