1. American Minimalism in Europe during the 1970s

   Ap Sion, P.

   1/09/14 → 31/01/16

   Project: Ymchwil

2. Building new Business Strategies for the Music Industry in Wales

   Ap Sion, P.

   1/03/09 → 26/02/11

   Project: Ymchwil

3. Collected Writings Of Michael Nyman

   Ap Sion, P.

   28/07/06 → 9/01/08

   Project: Ymchwil

4. Steve Reich and the Paradox of Modernism

   Ap Sion, P.

   1/08/16 → 15/06/17

   Project: Ymchwil