Includes: Drafts of various writings by Egon Wellesz, n.d. Lists of works by Egon Wellesz, n.d. Otto Haas lists of 'The Egon Wellesz contemporary music collection', 2008. The music, owned by Harold Schiffman and Jane Perry-Camp, was donated to the University of North Carolina, Greenboro in 2009, with correspondence (mainly of Julia Rosenthal) and printed material related…