6
by Daniel, Pete.
Published 1990
...The shadow of slavery :...
Book
7
...Slavery in the Sudan :...
Book
8
by Tower, Philo.
Published 1969
...Slavery unmasked;...
Book
12
...Capitalism & slavery /...
Book
14
by Liston, Robert A.
Published 1970
...Slavery in America;...
Book
16
by Epstein, Steven, 1952-
Published 2001
...Speaking of slavery :...
Book