The collection includes a broad array of documents related to the Schönberg, Greissle, and Bogen families, including scores, photographs, letters, and passports among other items.

The collection also holds documents pertaining to Nancy Bogen's cultural organization The Lark Ascending, with audio and video recordings, receipts, contracts with composers and performers, and grant applications. Also contained in the collection are many of author Nancy Bogen's professional and personal documents: manuscripts, published novels, essays, poems, letters, and professional research.