Brower, Steven (2009) Satchmo: The Wonderful World and Art of Louis Armstrong. New York: Abrams.
Heyman, Matthias (2015) ‘Music (1924–1939): A History of Belgium’s First Jazz Journal’. Current Research in Jazz 7. http://www.crj-online.org/v7/CRJ-BelgiumJazzJournal.php.
——(2017) ‘“And I think to myself what a wonderful world”. Op zoek naar Louis Armstrong’s Brusselse Collage’. FORUM+ 24/1. http://www.forum-online.be/nummers/forum-maart17/and-i-think-to-myself.
Van den Broeck, Christian (2012) Who is Peter De Greef? Geraardsbergen: Belgatone.