Jeffrey Reiman/ Paul Leighton
(3)
Donna Selman/ Paul Leighton
(2)
Gregg Barak/ Paul Leighton/ Allison Cotton
(2)
Jeffrey H. Reiman (American University USA),Paul Leighton (Eastern Michigan University Ypsilanti USA)
(2)
Jeffrey Reiman,Paul (Eastern Michigan University Leighton Ypsilanti USA)
(2)
John Minshaw/ Celina Fox/ Paul Redman (PHT)/ Tom Leighton (PHT)/ Andreas Von Einsiedel (PHT)
(1)
Paul Signac/ Marina Bocquillon-Ferretti/ Anne Distel/ John Leighton/ Susan Alyson Stein/ Kathryn Calley Falitz/ Sjraar Van Heugten
(1)