Keyser, Ignace de: Belgian Collectors of Musical Instruments from the Perspective of Critical Organology and Museology, in Roth, Dominik von and Escherich, Linda (Eds.): Private Passion – Public Challenge: Musikinstrumente sammeln in Geschichte und Gegenwart, Heidelberg: arthistoricum.net-ART-Books, 2018, p. 68–77. https://doi.org/10.11588/arthistoricum.402.c5247