Media type: E-Article Title: Die Zwitschermaschine, Op. 7 Contributor: Treitler, Leo; Klebe, Giselher; Klee, Paul imprint: JSTOR, 1960 Published in: Notes Language: Not determined DOI: 10.2307/892425 ISSN: 0027-4380 Keywords: Library and Information Sciences ; Music Origination: Footnote: