UCLA. Music Library Special Collections, Ernest Toch Archive
A special collection of the music of Ernest Toch is located in the UCLA Music Library. Here the works of the great Jewish Austrian/American composer reside, including manuscripts, printed scores, photographs, recordings and books. Interesting links lead to resources including an article in The Atlantic Monthly by the composers’ grandson.

UCLA. Music Library Special Collections, Eric Zeisl Archive
The Eric Zeisl Archive at UCLA houses “manuscripts, published scores, correspondence, documents, recordings, and other material.” The website includes links to finding aids of the manuscript and correspondence collections.