Oh my goodness! I can't believe you found them! I've been using Ancestry and EllisIsland without any luck. Am still learning to use familysearch. Now I know that I've got to make that a priority.
I am eternally grateful to you.
FINKELSTEIN, BOOKSTEIN, KOENIG/SUKOENIG, LUSMAN, GOLDINER, SAGORODER/ZAGORODER (Radziwillow, Belarus/Ukraine; Ostrog, Poland/Belarus; Warsaw, Poland; Wolinsky, Russia/Ukraine)
LISS / ALPER (Motol, Russia/Belarus)
LEAF / LIFSCHITZ ( Rechitsa, Belarus)