The Teaching series contains records of Dahl's teaching activities at the University of Southern California, including lecture notes and musical examples, examinations, and student work; correspondence, notes, programs for and from lectures and guest appearances made by Dahl at other institutions; material Dahl collected for teaching purposes but which are not linked to a specific course or lecture; and some records regarding Etta Dahl's teaching at USC. There is overlap with the Correspondence and Notes series.