by
Collins, Robert O., 1933-2008.
Cambridge Books Online http://dx.doi.org/10.1017/CBO9781139795333
Format:
Electronic Resources
Publication Date
2014
Excerpt:
arrival of Europeans in Sub-Saharan Africa -- Diseases and crops: old and new -- Slavery in Africa -- The
by
ebrary, Inc.
Format:
Electronic Resources
Publication Date
2005
Excerpt:
AIDS (Disease) -- Epidemiology.
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