Use the Citation Linker to find e-journal titles and e-books that are available through e-book packages.
BAR digital collection of e-books in Archaeology.
De Gruyter e-books. Some University Press collections, namely, Duke University Press and Columbia University Press.
Hathi Trust - allows for access to books within our Google Books Collections, which are out of copyright.
Project muse . Stanford has access to some e-books of University Presses that work with Project Muse.
X-Search is a federated search tool that includes e-book searching.