Source: Odhiambo Atieno, E. S., Ouso, T. I. & Williams, J. F. M. (1977). A History of East Africa. London: Longman Group Ltd.. ISBN 0-582-60886-4. Page 82.
Scanned from paper xerox copy of source, converted to PDF with Adobe Acrobat Professional, imaged copied and saved with Irfanview, filesize reduced with pngcrush.
This image (or other media file) is in the public domain because its copyright has expired.
This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.