(en) Charles Francis Hutchison et Michel René Doortmont, The pen-pictures of modern Africans and African celebrities : a collective biography of elite society in the Gold Coast ColonyThe Pen-Pictures of Modern Africans and African Celebrities : A Collective Biography of Elite Society in the Gold Coast Colony, Brill, coll. « African sources for African history » (no 7 lieu=Leiden), , 497 p. (ISBN978-90-04-14097-4, OCLC890430209), p. 118.
(en) K. A. B. Jones-Quartey, A summary history of the Ghana press : sous-titre=1822-1960, Accra, Ghana Information Services Department, , 68 p. (OCLC615397480), p. 42.
