Opening Up European Law
Mauro Bussani, Ugo Mattei, Opening Up European Law, The Common Core Project (Bern, Staempfli, 2007, ISBN 9783727220296)
Commercial Trusts in European Private Law
Michele Graziadei, Ugo Mattei, Lionel Smith, Commercial Trusts in European Private Law, "The Common Core of European Private Law", Cambridge University Press, 2005 (ISBN 0-521-84919-5) and 2009 (ISBN 9780521849197)