- William L. MacDonald,
- Joan E. Barclay Lloyd,
- William McGuire,
- Anna Menichella,
- Paul Hetherington,
- Lynda Stephens,
- Bernard Schultz,
- Marilynn Dunn,
- Candace J. Adelson,
- Annamaria Giusti
- and Daniela Di Castro Moscati
Updated in this version
updated and revised