Friends & Good Works.2

[Terrance]

Since traffic in slavery was then a common practice through out the
world, de Las Casas at first endorsed the importing of Africans
slaves to the colonies, but quickly repented of his decision. He
again confessed this mistake as a sin on his deathbed. 


http://www.op.org/domcentral/people/vocations/Bart.htm

Catholics and the Negro:

http://docsouth.unc.edu/church/butsch/butsch.html