"Honorary Degree", Leeds African Studies Bulletin 19 (November 1973), pp. 1–2. [Professor Soyinka receiving the Honorary Degree of Doctor of Letters from the Chancellor, HRH the Duchess of Kent, on Thursday 17 May 1973 – image from 'Nobel Prize for Leeds Graduate', The Reporter (the University of Leeds), 258, 24 October 1986.]
"History of NAS". www.nas-int.org. National Association of Seadogs (Pyrates Confraternity). Archived from the original on 17 February 2015. Retrieved 25 November 2014.
"History of NAS". www.nas-int.org. National Association of Seadogs (Pyrates Confraternity). Archived from the original on 17 February 2015. Retrieved 25 November 2014.