African States and Rulers - John Stewart - Google Books

http://books.google.de/books?id=I7UUAQAAIAAJ&q=%22Salim+Ben+Ali%22+Comores&dq=%22Salim+Ben+Ali%22+Comores&hl=en&sa=X&ei=A9aVUNmW

Now in its third edition, this is a bigger (more than 11,000 entries), updated (through late summer 2005) version of the 1989 original covering the enormous kaleidoscope of changing political boundaries, names, and rulers of Africa. This exhaustive…