Sources

Collinson, Francis: The bagpipe: the history of a musical instrument. London, 1975, p.124, 125ff.

Meer, John Henry van der: Typologie der Sackpfeife. In: Anz. Germ. Nationalmus. (Nürnberg, 1964), p.139 (Great Highland pipe).

Marcuse, Sibyl: Musical instruments: a comprehensive dictionary. New York, 1975.

Podnos, Theodor H.: Bagpipes and tunings. Detroit, 1974, p.21 (»Marcuse), 29.