2004
"music of other cultures - music of the indigenous people in Bolivia." In: Amadeus second Textbook for teaching music in grades 7 to 10, ed. by Dieter Wulf and Kurt Luger Rohrbach. 1. Ed Oldershausen: Lugert Verlag, p. 186-187 (including audio samples and CD-ROM example). ISBN: 3-89760-168-0.
"music of other cultures - the world is big." In: 3rd Amadeus Textbook for teaching music in grades 9 and 10 of the school, ed. by Dieter Wulf Luger, Thomas and Matthias Krettenauer Rhinelander. 1. Ed Oldershausen: Lugert Verlag, Leipzig: Ernst Klett Verlag textbook, p. 182-85 (including audio samples). ISBN: 3-89760-178-8 (Publisher Luger), 3-12-170151-7 (textbook Klett Verlag).
"Klezmer music in a globalizing world." In: Klezmer - hejmisch and hip. Music as a form of cultural expression through the ages. Documentation of the exhibition, ed. from the city of Gelsenkirchen, with a cut: Wiltrud Apfeld. Food: Plain-Verlag, p. 10-15. - ISBN 3-89861-379-8.
"The Charango as Trans-Cultural Icon of Andean Music." Revista Transcultural de Música / Transcultural Music Review 8:1-32. - ISSN :1697-0101. http://www.sibetrans.com/trans/trans8/baumann.htm
"folk song", in Marco Marco Jorio (Chefred.) Historical Dictionary of Switzerland (HLS), vol 3, p. 159. Bern: Verlag Schwabe AG. - ISBN: HLS (dt) 3-7965-1900-8; DHS (French) 2-88256-133-4; DSS (Italian) 88-8281-100-X (e-HLS: http:/ / www.hls-dhs-dss.ch/index.php ; version as of 11/07/2000).
"Cattle Egret," in Marco Marco Jorio (Chefred.) Historical Dictionary of Switzerland (HLS). Vol 3, p. 35 Bern: Verlag Schwabe AG. ISBN: HLS (dt) 3-7965-1900-8; DHS (French) 2-88256-133-4; DSS (Italian) 88-8281-100-X (e-HLS: http:// www.hls-dhs-dss.ch/index.php ; version as of 03.04.2000).