Marwan Nusair
: Framed Mustahiq Overprint Forgery: A Summary in: Random Notes Number 61 June 2003 Arabian Philatelic Association International Kings Lynn 2003
William A. King
: The Rudy Thoden Sale at Greg Manning Galleries, March 31st 2003 in: Random Notes Number 61 June 2003 Arabian Philatelic Association International Kings Lynn 2003