Research Resources
Gathered here are research-backed materials to support your further research, including a full set of links to edited letter texts. Many of these items were published originally in one of our printed volumes.
Authority Files
- Reference and Source Interface
 - Short Biographies
 - Family Biographies (AutoMT1, AutoMT2, AutoMT3)
 - Biographical Directory (Inds)
 
Mark Twain’s Letters
- Electronic Title Page
 - Guide to Editorial Practice
 - Clemens and Langdon Genealogies
 - Description of Texts and Provenance