A series of graded follow-up courses for individual or like-instrument class instruction.
Elementary Method, edited by Newell H. Long: a fundamental course for individual or like-instrument class instruction.
Intermediate Method, edited by Skornicka and Boltz: a follow-up course for individual or like-instrument class instruction.
Advanced Method, Vol. 2 edited by William Gower and H. Voxman: an outlined course of study designed to follow up prior volumes.