Floyd: Check out this URL for some really good primary and manuscript sources:
 
http://www.inform.umd.edu/EdRes/Topic/Diversity/Specific/Race/Specific/Afric
an_American_Resources/Reference/Libraries/
 
You may also consider subscribing to the SLAVERY listerver (The history of
slavery, the slave trade, abolition and emancipation) by sending the
message "subscribe slavery first-name last-name" to
[log in to unmask] Books are regularly reviewed as part of the list
traffic.
 
Also, recently published is Madeline Burnside's _Spirits of the Passage:
the Transstlantic slave trade in the Seventeenth Century_. (NY: Simon and
Schuster, 1997). Its more historical than archaeological, and more popular
than academic, but it deals well with the shipwreck of _Henrietta Marie_,
the British Slaver which wrecked in the Florida Keys at the turn of the
eighteenth century.
 
This is a great thread. I hope the contributions keep coming in, I am
finding it very useful and I am positive I am not alone in that.
 
David Johnson