of California Press . ISBN 0520228987 . OCLC 62290645 . http://books.google.com/books?id=4rNjwC5HShkC . Eisen, Cliff ; Keefe, Simon P, eds (2006). The Cambridge Mozart Encyclopedia . Cambridge : Cambridge University Press . ISBN 0521856590 . OCLC 60245611 . http://books.google.com/books?id=8o6mVjlSzM4C . Gutman, Robert (2000). Mozart: A Cultural Biography . London : Harcourt Brace