books.google.co.uk - "The Historical Encyclopedia of World Slavery" presents 700 topics of world slavery in 500- to 1,500-word entries that are extensively cross-referenced with bibliographical citations for further research. The encyclopedia contains 100 illustrations, with maps accompanying core essays involving specific...http://books.google.co.uk/books/about/The_Historical_Encyclopedia_of_World_Sla.html?id=ATq5_6h2AT0C&utm_source=gb-gplus-shareThe Historical Encyclopedia of World Slavery: A-K ; Vol. II, L-Z
