Individual e-book titles are best accessed via LibrarySearch; to filter your search, use the 'Collection' filter on the right and click e-book (you may have to click More options first).
Please check for linguistics e-books from Blackwells and Cambridge.
The following e-book services may be of interest:
- ACLS Humanities e-book project
- Cambridge Histories Online: over 300 cross-searchable authoritative volumes on a wide range of historical subject areas, including Language and Linguistics
- Oxford Scholarship Online
- New Bartleby Library
- Oxford Text Archive
- Cambridge Books Online