FITZSIMMONS, Mick, Harris, Bob. Cat Stevens - A Musical Journey [online]. BBC2, 5 January 2001 [cit. 2008-12-20]. (Taped documentary interview synopsis). Dostupné online.
gd.se
Sisselas dagar är inte räknade. Gefle Dagblad. Dostupné online. [cit. 2022-11-19].
reuters.com
DONAHUE, Ann. Yusuf Islam's past, present in harmony on new album. Reuters. 18 April 2009. Dostupné online [cit. 27 April 2009].
web.archive.org
Footsteps in the Light: Yusuf Islam new CD [online]. muslimbase.com, a Silverline Company, 1995-2006 [cit. 2009-12-17]. (Review of album). Dostupné v archivu pořízeném dne 2008-04-02.
Phillips, Mark and Faber, Judy. Yusuf Islam Reflects On His Return: Artist Once Known As Cat Stevens Talks About New Album. CBS Sunday Morning. CBS News, 12 August 2007. Dostupné v archivu pořízeném dne 2009-02-12.This story originally aired on 3 December 2006.