- What would Twain say? Search topics alphabetically to find Twain’s thoughts on different subjects.
- Twain Boyhood Home. Information about Twain’s early life and influences.
- The Twain House. Information about Twain’s later life, works, and family.
- Elmira College. Center for Mark Twain Studies.
- The Bancroft Library. The Mark Twain Papers and Project at University of California, Berkeley.