Jack E. Levin/ Mark R. Levin (FRW)
(2)
Jack Levin/ James Alan Fox
(2)
Jack S. Levin/ Donald E. Rocap
(2)
Michael Levin/ Jack Pannell
(2)
Jack E. Levin/ Jack E. Levin (ILT)/ Mark R. Levin (FRW)
(1)
Jack E. Levin/ Mark R. Levin (INT)
(1)
Jack E. Levin/ Norma R. Levin/ Jack E. Levin (ILT)/ Norma R. Levin (ILT)/ Mark R. Levin (FRW)
(1)
Jack Levin, James Alan Fox, David R. Forde
(1)
Jack Levin/ Gordana Rabrenovic
(1)
Jack Levin/ Jack McDevitt
(1)
Jack Levin/ James Alan Fox/ David R. Forde
(1)
Jack Levin/ James J. Nolan
(1)
Jack Levin/ Julie B. Wiest
(1)
Jack Levin/ Kim MAC Innis/ Walter F. Carroll/ Richard Bourne
(1)
James A. Fox/ Jack A. Levin/ David R. Forde
(1)
James Alan Fox/ Jack Levin/ David R. Forde
(1)
James Alan Fox/ Jack Levin/ Kenna D. Quinet
(1)