Deborah Jane Lamberton, Janet L. Sturman, Karl Signell
• 1997
Mickey Hart, Karl Signell, S. Feld
• 1995
Bayram Bilge Toker, Yildiray Erdener, Bob Haddad, Karl Signell
• 1993
Geoffrey Goldberg, Kay Kaufman Shelemay, Karl Signell, S. Weiss
• 1987
Karl Signell, Mark Slobin
• 1985
Karl Signell
• 1979
Krister Malm, Karl Signell, D. Bhattacharya
• 1978
Ursula Reinhard, Karl Signell, K. Reinhard
• 1973
Bernard Maugin, Karl Signell
• 1970