HathiTrust Digital Library

A massive digital library bringing together materials digitized by Google, the Internet Archive, libraries at HathiTrust partner institutions, and other commercial digitization schemes.  Includes searchable access to over 9 million volumes, including over 5 million books and over 240,000 serial publications, with full text access to 27% of these materials (over 2.5 million volumes).

Current cumulative file. (Digital copies of library-held materials dated from prehistory to the present.)