Pratt, Waldo S. The History of Music: A Handbook and Guide for Students. Kessinger Publishing, 2004. ISBN 9781417938711 [Consulta: 24 novembre 2008]. «Page 475: In 1845, he devised the 'saxhorn', a developed bugle, and the 'saxotromba.' ». But for another opinion see: Carter, Stewart. Perspectives in Brass Scholarship. Pendragon Press, 1998. ISBN 9780945193975 [Consulta: 3 desembre 2008]. «Page 190: [Kastner] was quick to praise Sax' innovations, reporting on the saxo-tromba family in the 1844 Supplement [to Kastner's Traité général d'instrumentation] ...»
