- Kathleen Winsor
- Sally Bedell Smith
- Margaret Campbell Barnes
- Margaret Hubert
- Judith Durant
- Katharina Buss
- G.J. Meyer
- Carole King
- Karen Lindsey
- Kim Piper Werker
- Cecily Keim
- Eric Ives
- Robert Eisenberg
- John Cannon
- Ralph A. Griffiths
- Louise Chipley Slavicek
- The Harmony Guides
- Alison Sim
- Harmony Guide
- Collins & Brown