 In the general field of musicology, in addition to his numerous studies on acoustics, which for the most part have been collected in his Beiträge zur Akustik und Musikwissenschaft, and his book of 1926 Sprachlaute (cf. B. Pompino-Marschall, 2003), those on ethnomusicology (cf. G. Schwörer-Kohl, 2011), published in his Sammelbände für vergleichende Musikwissenschaft, whose fourth volume contains the study on Romanian folk music by the famous composer Béla Bartók (1922–1923; V. Lampert, 2008), we owe to Stumpf several studies on the history of music. (Stumpf, 1885, 1896, 1897, 1911) In his autobiography, Stumpf listed his work in this field and stressed the importance of his contribution in two of his works: