String Trios Op. 3, 8, and 9 and String Duo WoO 32 (Study Score). By Ludwig van Beethoven (1770-1827). Edited by Emil Platen. For String Trio (Study Score). STUDY EDITION. Henle Study Scores. Pages: XII and123. Softcover. 136 pages. G. Henle #HN9192. Published by G. Henle (HL.51489192).