Edwin A. Fleisher Collection, Free Library Of Philadelphia

The world’s largest circulating collection of orchestral performance sets – with over 22,000 titles – providing materials to recognized performance groups around the globe (this includes academic and amateur ensembles) for concerts and recordings. It houses virtually the entire standard repertoire, and is also known for its many rare and out-of-print works available for lending around the world. It is a unique source of 19th- and 20th-century American music, and has a longstanding commitment to promoting new, noteworthy, and overlooked works.