Copyright status varies across the collection. Copyright for most items is held by the original creator of individual items in the collection, donor A. Michael Noll. If copyright is not renewed, these items are expected to pass into the public domain 120 years after their creation. For more information about use, reuse, or publication of items in the collection, please contact the Poly Archives, polyarchives@nyu.edu, 646-997-3530 or the donor directly.