HathiTrust is a large-scale collaborative repository of digital content from research libraries including content digitized via the Google Books project and Internet Archive digitization initiatives, as well as content digitized locally by libraries.
Searchable in the IRC catalog. At the bottom of the screen, select either
HathiTrust comprises over 10 million volumes, over 2.7 million of which are public domain. HathiTrust provides a number of discovery and access services, notably, full-text search across the entire repository.