(en) William Henry Amerine, Alabama's own in France, New York, Eaton & Gettinger, (OCLC492982231, lire en ligne), p. 284
(en) Jack Maguire, Hopscotch, hangman, hot potato, and ha, ha, ha: a rulebook of children's games, New York, Simon and Schuster, (ISBN978-0-671-76332-9, OCLC537766162, lire en ligne), p. 46–47.
(en) William Henry Amerine, Alabama's own in France, New York, Eaton & Gettinger, (OCLC492982231, lire en ligne), p. 284
(en) Mary Calhoun illustrateur=Paul Frame, Honestly, Katie John!, New York, Scholastic Book Services, (ISBN978-0-590-08544-1, OCLC7476923), p. 89, 91.
(en) Jack Maguire, Hopscotch, hangman, hot potato, and ha, ha, ha: a rulebook of children's games, New York, Simon and Schuster, (ISBN978-0-671-76332-9, OCLC537766162, lire en ligne), p. 46–47.