Gustav Mahler-Alfred Rosé CollectionThe Mahler-Rosé Collection was donated to the Music Library, Western University, in 1983 by Maria C. Rosé, widow of Professor Alfred Rosé, who was the nephew of composer Gustav Mahler and son of Arnold Rosé (Concertmaster of the Vienna Philharmonic Orchestra and leader of the Rosé String Quartet). Of particular interest is Supplement 6, which includes materials relating to Alfred Rosé's sister Alma, a talented