Shri Prof. Ludwig Pesch

http://www.carnaticstudent.org/course/wordpress/more-about-the-course-and-the-tutors/textbook

www.sam.mimemo.net/ifl_20-19_LPesch.pdf

http://www.indian-heritage.org/music/focus1.htm

http://www.jowa.nl/?option=com_project&task=view&project_id=98&Itemid=55&image_id=6