Robert O. Collins, emeritus professor of history at University of California, Santa Barbara, has written numerous books on the history of Africa, the Sudan, and the Nile. He has also worked as a professional river guide and has traversed most of the Nile.
References
^ Robert O. Collins (2012). 9780300097641, Yale University Press. ISBN 9780300097641 (revised Nov 2012)^ The Nile by Robert O. Collins (2002, Hardcover) ISBN 9780300097641 (revised Sep 2019)^ Professor Robert O. CollinsThe Nile, Yale University Press. Amazon. ISBN 9780300097641 (revised Nov 2014)
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