Constellation Similarity Assertions

Erwin Ratz (1898-1973) was a student of Arnold Schoenberg and was an editor of Gustav Mahler's works. From 1945 to 1973 he was a professor at the Akademie für Musik und darstellende Kunst in Vienna. He was the first president of the Internationale Gustav Mahler Gesellschaft (1955-1̀973).

From the description of Correspondence with Alma Mahler, 1954-ca. 1955. (University of Pennsylvania Library). WorldCat record id: 155865003