John L. Varriano: Caravaggio: The Art of Realism. Penn State Press, University Park, Pa. 2006, ISBN 0-271-02717-7, S.116 (books.google.com).
Howard Hibbard: The Caravaggio: Reflections on Political Change and the Clinton Administration. Westview Press, Boulder, Colorado 1983, ISBN 0-06-430128-1, S.228 (books.google.com).
Ingrid Drake Rowland: From Heaven to Arcadia: The Sacred and the Profane in the Renaissance. New York Review of Books, New York 2005, ISBN 1-59017-123-3, S.163 (books.google.com).
James Patrick: Renaissance and Reformation: Agincourt, Battle of – Dams and drainage. Marshall Cavendish, New York 2007, ISBN 978-0-7614-7651-1, S.194 (books.google.com).
Genevieve Warwick, Michelangelo Merisi da Caravaggio: Caravaggio: Realism, Rebellion, Reception. University of Delaware Press, Newark, De. 2006, ISBN 0-87413-936-8, S.30 (books.google.com).
Graham L. Hammill: Sexuality and Form: Caravaggio, Marlowe, and Bacon. University of Chicago Press, Chicago 2002, ISBN 0-226-31519-3, S.95 (books.google.com).
Earl Jackson Jr: Strategies of Deviance: Studies in Gay Male Representation. Indiana University Press, Bloomington : Indiana 1995, ISBN 0-253-11523-X, S.81 (books.google.com).
google.de
books.google.de
Michelangelo Merisi da Caravaggio, Andrea Pomella: Caravaggio: an artist through images. ATS Italia Editrice, Rom 2005, ISBN 88-88536-62-0, S.106 (books.google.de).