Biblioteca Nacional Francesa http://data.bnf.fr/13892512
VIAF http://viaf.org/viaf/249200589
Biblioteca Nacional Alemana http://d-nb.info/gnd/174128401
Fuente consultada The New Grove Dictionary of Music and Musicians, 2001
Información encontrada (Ciconia, Johannes; b. c. 1370, Liège, d. between 10 June and 12 July 1412, Padua; Franco-Flemish composer)