| title | creator | language | description | tableOfContents | contributor | subject | created |
| Twelve Preludes for the Pianoforte Op. 25
I. Prelude in F Major | Wright, N. Louise | en | | | | | 2010-03-12 |
| The Lives of the Twelve Caesars, Volume 09: Vitellius | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 12: Domitian | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 04: Caligula | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 01: Julius Caesar | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 05: Claudius | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 07: Galba | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Last Twelve Verses of the Gospel According to S. Mark | Burgon, John William, 1813-1888 | en | | | | | 2008-07-27 |
| The Lives of the Twelve Caesars, Volume 03: Tiberius | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 11: Titus | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 06: Nero | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 08: Otho | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 13: Grammarians and Rhetoricians | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 02: Augustus | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| The Lives of the Twelve Caesars, Volume 10: Vespasian | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| Little Wars; a game for boys from twelve years of age to one hundred and fifty and for that more intelligent sort of girl who likes boys' games and books. | Wells, H. G. (Herbert George), 1866-1946 | en | | | | | 2003-01-01 |
| The Red Fairy Book | Lang, Andrew, 1844-1912 | en | | The Twelve Dancing Princesses -- The Princess Mayblossom -- Soria Moria Castle -- The Death of Koschei the Deathless -- The Black Thief and Knight of the Glen -- The Master Thief -- Brother and Sister -- Princess Rosette -- The Enchanted Pig -- The Norka -- The Wonderful Birch -- Jack and the Beanstalk -- The Little Good Mouse -- Graciosa and Percinet -- The Three Princesses of Whiteland -- The Voice of Death -- The Six Sillies -- Kari Woodengown -- Drakestail -- The Ratcatcher -- The True History of Little Goldenhood -- The Golden Branch -- The Three Dwarfs -- Dapplegrim -- The Enchanted Canary -- The Twelve Brothers -- Rapunzel -- The Nettle Spinner -- Farmer Weatherbeard -- Mother Holle -- Minnikin -- Bushy Bride -- Snowdrop -- The Golden Goose -- The Seven Foals -- The Marvellous Musician -- The Story of Sigurd. | | Fairy tales; Folklore | 1996-05-01 |
| The Lives of the Twelve Caesars, Volume 14: Lives of the Poets | Suetonius Tranquillus, Gaius, 75-160 | en | | | | | 2004-12-13 |
| Twelve Types | Chesterton, G. K. (Gilbert Keith), 1874-1936 | en | | | | | 2004-06-01 |
| The Twelve Magic Changelings | Glen, M. A. | en | | | | Picture books for children; Paper dolls | 2007-11-17 |
| The Twelve Labours of Hercules, Son of Jupiter & Alcmena | Anonymous | en | | | | Hercules (Roman mythology) -- Poetry; Stories in rhyme | 2007-09-06 |
| The Twelve Months of the Year
with a Picture for each Month. Adapted to Northern Latitudes | Unknown | en | | | | | 2010-05-21 |
| The Twelve Tables | Anonymous | en | | | | | 2005-01-24 |
| Twelve Times Zero | Browne, Howard, 1908-1999 | en | | | | | 2010-05-28 |
| Twelve Gates to the City | McGuinn, Roger | en | | | | | 2003-12-01 |