Dear Mark Twain : letters from his readers

Berkeley : University of California Press, [2013]

The letters of Mark Twain and Joseph Hopkins Twichell

Twain, Mark, 1835-1910, author.
Athens, Georgia : The University of Georgia, [2017]

The love letters of Mark Twain

Twain, Mark, 1835-1910.
New York : Harper, 1949.

Mark Twain on potholes and politics : letters to the editor

Scharnhorst, Gary.
Columbia, Missouri : University of Missouri Press (Bibliovault), 2014.

Mark Twain : unsanctified newspaper reporter

Caron, James Edward, 1952-
Columbia : University of Missouri Press, [2008]

Mark Twain : unsanctified newspaper reporter

Caron, James Edward, 1952-
Columbia : University of Missouri Press, [2008]

Mark Twain's correspondence with Henry Huttleston Rogers, 1893-1909

Twain, Mark, 1835-1910.
Berkeley : University of California Press, 1969.

Mark Twain's letters

Twain, Mark, 1835-1910.
Berkeley : University of California Press, 1988-