Đọc thêm Mark Twain

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WikiPedia: Mark Twain http://agora.qc.ca/mot.nsf/Dossiers/Mark_Twain http://classiclit.about.com/library/weekly/aafpr11... http://www.lucidcafe.com/library/95nov/twain.html http://www.nytimes.com/books/first/h/hoffman-twain... http://www.twainquotes.com/teindex.html http://www.english.illinois.edu/people/brucem http://www.distinguishedprofessors.ku.edu/professo... http://english.stanford.edu/bio.php?name_id=51 http://www-english.tamu.edu/pers/fac/loving http://www.ucmerced.edu/faculty/facultybio.asp?fac...