Portrait photograph of Leopold Auer
George Maillard Kesslere (1894–1979)
<a rel="nofollow" class="external autonumber" href="http://www.collectionscanada.ca/obj/m2/f1/nlc002496-v6.jpg">[1]</a> (Original source: Graded course of violin playing : a complete outline of violin study for individual and class instruction. Leopold Auer. 4th ed. -- New York : C. Fischer, [c1926- — v. : illus., ports., diagrs. ; 31 cm.)