References
- Groenewegen , Peter . 1995 . A Soaring Eagle: Alfred Marshall 1842-1924 , Aldershot : Edward Elgar .
- Raffaelli Tiziano Giacomo Becattini Marco Dardi 2006 The Elgar Companion to Alfred Marshall Cheltenham Edward Elgar
- Whitaker John 1996 The Correspondence of Alfred Marshall, Economist Cambridge Cambridge University Press