Original: Complete Method for Clarinet, Op. 63-Pts. 1 & 2. Clarinet sheet music. Complete Method for Clarinet, Op. 63-Pts. 1 & 2.
Translation: Complete Method for Clarinet, Op. 63-Pts. 1 . Complete Method for Clarinet, Op. 63-Pts. 1 . Edited by Gustave Langenus.