The Keene Sentinel is accessible on microfilm from 1799 to date using the library's on-site microfilm scanner. (There is no index to the Sentinel.)
Some Sentinel content is available online at the Sentinel website
There are searchable images of scanned issues from the late 1700s through about1965 available online.
ProQuest provides access to wide range of content types, including scholarly journals, newspapers, ebooks, videos, dissertations, and more, all accessible through a single, user-friendly platform.