| The Road to Damascus | August | Strindberg | 1849 |
| A Connecticut Yankee in King Arthur's Court | Mark | Twain | 1835 |
| Images from Writings of William Dean Howells | William Dean | Howells | 1837 |
| The Adventures of Tom Sawyer | Mark | Twain | 1835 |
| The Children: Some Educational Problems | Alexander | Darroch | |
| The Lives of the Twelve Caesars, Volume 12: Domitian | Gaius | Suetonius Tranquillus | 75 |
| Following the Equator ? Part 1 | Mark | Twain | 1835 |
| Die drei N?sse | Clemens | Brentano | 1778 |
| Aus der Chronika eines fahrenden Sch?lers (Zweite Fassung) | Clemens | Brentano | 1778 |
| Geschichte vom braven Kasperl und dem sch?nen Annerl | Clemens | Brentano | 1778 |
| Die mehreren Wehm?ller und ungarischen Nationalgesichter | Clemens | Brentano | 1778 |
| Gockel, Hinkel und Gackeleia | Clemens | Brentano | 1778 |
| Literary Friends and Acquaintance; a Personal Retrospect of American Authorship | William Dean | Howells | 1837 |
| Widger's Quotations from the Project Gutenberg Editions of Paine's Writings on Mark Twain | Albert Bigelow | Paine | 1861 |
| The Boys' Life of Mark Twain | Albert Bigelow | Paine | 1861 |
| Complete Project Gutenberg William Dean Howells Literature Essays | William Dean | Howells | 1837 |
| Complete Project Gutenberg William Dean Howells Works | William Dean | Howells | 1837 |
| My Mark Twain (from Literary Friends and Acquaintance) | William Dean | Howells | 1837 |
| How to Tell a Story and Other Essays | Mark | Twain | 1835 |
| Complete Letters of Mark Twain | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 6 (1907-1910) | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 3 (1876-1885) | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 4 (1886-1900) | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 5 (1901-1906) | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 1 (1835-1866) | Mark | Twain | 1835 |
| Mark Twain's Letters ? Volume 2 (1867-1875) | Mark | Twain | 1835 |
| 1601 | Mark | Twain | 1835 |
| Mark Twain's Speeches | Mark | Twain | 1835 |
| Mark Twain, a Biography ? Volume II, Part 2: 1886-1900 | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography ? Volume III, Part 1: 1900-1907 | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography ? Volume III, Part 2: 1907-1910 | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography. Complete | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography ? Volume II, Part 1: 1886-1900 | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography ? Volume I, Part 1: 1835-1866 | Albert Bigelow | Paine | 1861 |
| Mark Twain, a Biography ? Volume I, Part 2: 1835-1866 | Albert Bigelow | Paine | 1861 |
| Following the Equator | Mark | Twain | 1835 |
| On the Decay of the Art of Lying | Mark | Twain | 1835 |
| Das M?rchen von dem Myrtenfr?ulein | Clemens | Brentano | 1778 |
| The Causes of the Corruption of the Traditional Text of the Holy Gospels Being the Sequel to The Traditional Text of the Holy G | John | Burgon | |
| The Argonauts | Eliza (AKA Orzeszkowa) | Orzeszko | |
| Chapters from My Autobiography | Mark | Twain | 1835 |
| A New System; or, an Analysis of Antient Mythology. Volume II. (of VI.) | Jacob | Bryant | 1715 |
| A New System; or, an Analysis of Antient Mythology. Volume I. | Jacob | Bryant | 1715 |
| Romanzen vom Rosenkranz | Clemens | Brentano | 1778 |
| The Hymns of Prudentius | Aurelius Clemens | Prudentius | |
| A Tramp Abroad | Mark | Twain | 1835 |
| Radio Boys Cronies | | | |
| U.S. Copyright Renewals, 1950 January - June | | U.S. Copyright Office | |
| Graf von Loeben and the Legend of Lorelei | Allen Wilson | Porterfield | |
