• 12 Memorial Library
• 3 Special Collections (Memorial Library)
• 1 College Library

• 21 Books

• 17 Authors, American
• 14 Correspondence
• 4 Humorists, American
• 2 Clemens, Olivia Langdon, 1845-1904
• 2 Journalists
• 1 Authors and readers
• 1 Clergy
• 1 Description and travel
• 1 Friends and associates
• 1 Frontier and pioneer life
• 1 Girls
• 1 Humorous stories, American
• 1 Letters to the editor
• 1 Military chaplains
• 1 Novelists, American
• 1 Political and social views
• 1 Rogers, Henry Huttleston, 1840-1909
• 1 Suffrage
• 1 Travel
• 1 Twichell, Joseph Hopkins, 1838-1918
• 1 Wapping Alice
• 1 Women

• 2 Branch, Edgar Marquess, 1913-2006
• 2 Clemens, Olivia Langdon, 1845-1904
• 1 Bucci, Richard
• 1 Bush, Harold K. (Harold Karl), 1956-2021
• 1 Cooley, John R., 1937-
• 1 Courtney, Steve, 1948-
• 1 Dartmouth Conference "Mark Twain & Women's Rights" (2006 : Dartmouth College)
• 1 Day, A. Grove (Arthur Grove), 1904-1994
• 1 Digitalia (Firm)
• 1 Fernández Simón, Alma
• 1 Fischer, Victor, 1942-
• 1 Frank, Michael B.
• 1 Lathem, Edward Connery
• 1 Leary, Lewis, 1906-1990
• 1 Mark Twain Association of America
• 1 Messent, Peter, 1946-
• 1 Neider, Charles, 1915-2001
• 1 Paine, Albert Bigelow, 1861-1937
• 1 Pujante Corbalán, Rubén
• 1 Quirk, Tom, 1946-
• 1 Rasmussen, R. Kent
• 1 Rogers, Henry Huttleston, 1840-1909
• 1 Salamo, Lin
• 1 Sanderson, Kenneth M.

• 20 English
• 1 Spanish

• 5 United States
• 1 California
• 1 Connecticut
• 1 Hawaii
• 1 États-Unis

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