New method for the Double Bass by Simandl. Book 1. English and Japanese text. Edited and annotated by Lucas Drew, revised by F. Zimmerman. Published by Carl Fischer.
The Wohlfahrt Op. 45 Studies are a mainstay of violin study. Book 1 (50256580) and Book 2 (50256590) are bestsellers in the Schirmer Library. The entire set, Books 1 and 2 combined, is available in this complete publication.