The New York Public Library Digital Collections contains over 923,000 items. More than 180,000 of the items in the NYPL Digital Collections are in the public domain. You can find books, videos, maps, manuscripts, illustrations, photos and other historical resources. Many of the resources have copyright restrictions which limit your ability to use them. The safest items to use are those in the public domain. The easiest way to find these items in the New York Public Library Digital Collections is to limit your search to just those kind of materials. Visit this search page and enter the keyword or keywords you want in the box in the search field in the upper right. Check the box for search only public domain materials to limit results. For more information on how to use these valuable historical resources see this page.