The Mark Twain House, Hartford
History and information for visiting Mark Twain’s home in Hartford, CT.
http://www.marktwainhouse.org/

The Mark Twain Project, Bancroft Library
A comprehensive archive of Sam Clemens’ personal letters and papers.
http://www.lib.berkeley.edu/BANC/MTP/

Mark Twain in His Times
An interpretive archive from the resources at the University of Virginia.
http://etext.lib.virginia.edu/railton/index2.html

The Center for Mark Twain Studies, Elmira College
Information on Mark Twain’s time in Elmira, New York, and his writings from Quarry Farm.
http://www.elmira.edu/MarkTwain/twainhom.htm

The Mark Twain Boyhood Home and Museum, Hannibal
Visit Hannibal, Missouri, where Sam Clemens and other children who influenced characters in Tom Sawyer grew up.
http://www.marktwainmuseum.org/

PBS Online NewsHour: Mark Twain, A Special Report
Meet University of Virginia Professor Stephen Railton and learn how Twain’s newest story finally made it to print.
http://www.pbs.org/newshour/media/twain/index.html/

The Bishop Museum
Collections relating to the history of Hawaii and the Pacific.
http://www.bishopmuseum.org/

Boondocks
Offers indexes and articles examining Mark Twain’s literature.
http://www.boondocksnet.com/

The Buffalo and Erie County Historical Society
Collections of artifacts and records of Western New York history.
http://www.bechs.org/

Buffalo and Erie County Public Library
Includes information on Mark Twain’s time in Buffalo, NY.
http://www.buffalolib.org/

California Historical Society
Presenting art, artifacts, and written materials relevant to the history of California.
http://www.californiahistoricalsociety.org

Connecticut Historical Society
Manuscripts and Collections relating to the history of Connecticut.
http://www.chs.org/

Connecticut Office of Tourism
Travel information about planning a visit to Connecticut.
http://www.chs.org/

Great Books Index
Full Transcripts of many of Mark Twain’s most famous books.
http://books.mirror.org/gb.twain.html

Hawaiian Historical Society
Historical materials relating to Hawaii and the Pacific region.
http://www.hawaiianhistory.org/

Mission Houses Museums
Learn about early 19th-century Hawaii, where Twain traveled and reported.
http://www.lava.net/~mhm/

Nevada Historical Society
Collections and artifacts relating to the history of Nevada.
http://dmla.clan.lib.nv.us/docs/museums/reno/his-soc.html

The Society of California Pioneers
Historical paintings, artifacts, and manuscripts from early California settlers.
http://www.californiapioneers.org/