Stimmer (m)
(with) definite article: derorgan-point; Generic term for all pipes producing a fixed and continuous tone
Praetorius, Michael: Syntagma musicum, 2: de organographia. Wolfenbüttel, 1619. Herausgegeben von Wilibald Gurlitt [1958]. Kassel, 1964 [facsimile (2)], p.25.
Meer, John Henry van der: Typologie der Sackpfeife. In: Anz. Germ. Nationalmus. (Nürnberg, 1964), p.129 & passim.
Meré, Rafael: Museo Internacional de la Gaita: catálogo. Gijón, 1970, p.19.