Mark Twain Online
Samuel Langhorne Clemens, November 30, 1835 – April 21, 1910
Mark Twain Resources
- Center for Mark Twain Studies (Elmira College)
- Center for Mark Twain Studies – Elmira College overview page
- Mark Twain in Elmira – virtual tour and mapping resources
- Mark Twain Day By Day – meta-biography and geotagged network analysis
- Mark Twain Papers and Project – UC Berkeley Library
- Mark Twain Project Online
- NEH overview of the Mark Twain Project
- American South: Mark Twain primary-source guide
- Mark Twain Study – brief reference article