Incoming Resources
- Opera d'Oro, Allegro Corp., S.l., Portland, OR, 1999
- Opera d'oro, Allegro Corp., S.l., Portland, OR, 2003
- Allegro Corp., Portland, Or., c2000
- Allegro Corp., Place of publication not identified, ©2002
- Allegro Corp., S.l., 2003
- Allegro Corp., Portland, OR, 1999