Cameroon (Kamerun) –
Jesko von Puttkamer(7th term) to 3 February, then …
Plehn(acting governor) to 2 October, then again Jesko von Puttkamer (8th term)
^Harris M. Lentz (1994). Obituaries in the Performing Arts. McFarland & Company. p. 149.
^Tschichold, Jan (1982). Jan Tschichold, typographer and type designer, 1902-1974. Edinburgh: National Library of Scotland. pp. 8–9.
ISBN9780902220539.
^Laporte, Leo (2005). Leo Laporte's 2005 technology almanac. Indianapolis, Ind: Que. p. 263.
ISBN9780789733191.
^Sandford, John (1999). Encyclopedia of contemporary German culture. London New York: Routledge. p. 323.
ISBN9781136816031.
^Who's who in Technology. Who's Who Book & Pub. für Internationale Biographische Enzyklopädien. 1984. p. 154.
Cameroon (Kamerun) –
Jesko von Puttkamer(7th term) to 3 February, then …
Plehn(acting governor) to 2 October, then again Jesko von Puttkamer (8th term)
^Harris M. Lentz (1994). Obituaries in the Performing Arts. McFarland & Company. p. 149.
^Tschichold, Jan (1982). Jan Tschichold, typographer and type designer, 1902-1974. Edinburgh: National Library of Scotland. pp. 8–9.
ISBN9780902220539.
^Laporte, Leo (2005). Leo Laporte's 2005 technology almanac. Indianapolis, Ind: Que. p. 263.
ISBN9780789733191.
^Sandford, John (1999). Encyclopedia of contemporary German culture. London New York: Routledge. p. 323.
ISBN9781136816031.
^Who's who in Technology. Who's Who Book & Pub. für Internationale Biographische Enzyklopädien. 1984. p. 154.