Books about United States -- Social life and customs -- 19th century -- Fiction (sorted alphabetically)
- Man of Honor George Cary Eggleston
- Man That Corrupted Hadleyburg Mark Twain
- Man That Corrupted Hadleyburg and Other Stories Mark Twain
- Man That Corrupted Hadleyburg, and Other Stories Mark Twain
- Marsena, and Other Stories of the Wartime Harold Frederic
- May Flower, and Miscellaneous Writings Harriet Beecher Stowe
- Men, Women, and Boats Stephen Crane
- Men, Women, and Ghosts Elizabeth Stuart Phelps
- Miss Ayr of Virginia, & other stories Julia Magruder
- Missionary Sheriff Octave Thanet
- Miss Mehetabel's Son Thomas Bailey Aldrich
- Monster and Other Stories Stephen Crane
- More "Short Sixes" H. C. Bunner
- Moriah's Mourning and Other Half-Hour Sketches Ruth McEnery Stuart
- My Opinions and Betsey Bobbet's Marietta Holley
- Mysterious Stranger Mark Twain
- Mysterious Stranger, and Other Stories Mark Twain
- Nibsy's Christmas Jacob A. Riis
- Night in Acadie Kate Chopin
- Nimensä pilannut kaupunki (Finnish) Mark Twain
- Old Folks' Party Edward Bellamy
- Old Friends and New Sarah Orne Jewett
- Oldtown Fireside Stories Harriet Beecher Stowe
- One thousand dollars a day. Studies in practical economics Adeline Knapp
- Only an Incident Grace Denio Litchfield