Rubank Intermediate Method Flute or Piccolo by J.E. Skornicka and A.C. Petersen. Rubank, 1939, SS, 48 pages. A follow up course for individual or like-instrument class instruction. Introduces many techniques and concepts such as expression markings and accents, various types of articulation, grace notes, trills (includes trill fingering charts), scale and chord studies. A number of duets and one trio are included. Also has a fingering chart.