Joachim, Joseph. (1831–1907) [Grüters, Hugo. (1851–1928)] Group of Autograph Letters SignedGroup of nine autograph letters signed from the important violinist and Brahms collaborator, dating from the later years of Joachim's life, to the German conductor, violinist, and composer Hugo Grters. In fine condition overall, sizes 4 x 6 to 5 x 8 inches. With one additional envelope addressed to Grters in Joachim's hand. [London], May 15, [n. y.]; 1 p. "Dear Herr Musikdirektor, I accept your kind invitation with thanks [] Until we meet again!