Wagner, Richard. (1813–1883) & Müller, Adolf. (1839–1901) Important Correspondence regarding Hamburg performances of 1873An important series of letters concerning Richard Wagner's Hamburg concerts of January 21 and 23, 1873, primarily from Adolf Mller, but also including letters from Eugen Richter, Fritz Schubert, Zacharias, as well an autograph envelope in the hand of Wagner, and a series of original telegrams from Wagner. The Austrian composer and conductor, Adolf Mller was conductor in Hamburg before returning to Vienna to fill his famous father's positions as