Joanne K.J.K.RowlingJoanne K.J.K., Quidditch through the ages, wyd. 1, New York: Scholastic Press, 2001, s. 28, ISBN 0-439-29502-5, OCLC45466157 [dostęp 2019-06-24], Cytat: „Seven hundred Quidditch fouls are listed in the Department of Magical Games and Sports records, and all of them are known to have occurred during the final of the first ever World Cup in 1473.”.