| title | creator | language | description | tableOfContents | contributor | subject | created |
| Initials Only | Green, Anna Katharine, 1846-1935 | en | | | | Fiction; Detective and mystery stories | 1999-08-01 |
| Initial Studies in American Letters | Beers, Henry A. (Henry Augustin), 1847-1926 | en | | | | | 2005-05-18 |
| Sinks of London Laid Open
A Pocket Companion for the Uninitiated, to Which is Added
a Modern Flash Dictionary Containing all the Cant Words,
Slang Terms, and Flash Phrases Now in Vogue, with a List
of the Sixty Orders of Prime Coves | Unknown | en | | | Cruikshank, George, 1792-1878 [Illustrator] | Vice; London (England) -- Description and travel; Cant; English language -- Slang -- Dictionaries; London (England) -- Social life and customs | 2007-11-02 |
| Direct Legislation by the Citizenship through the Initiative and Referendum | Sullivan, James William, 1848- | en | | | | | 2006-02-11 |
| The Book of Ornamental Alphabets, Ancient and Medieval, from the Eighth Century
With Numerals, including Gothic; Church Text, Large and
Small; German Arabesque; Initials for Illumination,
Monograms, Crosses, &c. | Delamotte, F. (Freeman), 1814-1862 | en | | | | Alphabets; Decoration and ornament | 2007-11-11 |
| The Kybalion
A Study of The Hermetic Philosophy of Ancient Egypt and Greece | Three Initiates | en | | | | | 2004-11-29 |
| Initiative Psychic Energy
Being the Sixth of a Series of Twelve Volumes on the
Applications of Psychology to the Problems of Personal and
Business Efficiency | Hilton, Warren, 1874- | en | | | | Psychology, Applied; Psychic energy (Psychoanalysis) | 2005-12-17 |
| One Thousand and One Initial Letters | Jones, Owen, 1809-1874 | en | | | | Initials; Alphabets; Decoration and ornament -- Victorian style; Illumination of books and manuscripts | 2007-08-29 |
| One Man's Initiation—1917 | Dos Passos, John, 1896-1970 | en | | | | World War, 1914-1918 -- Fiction; War stories | 2008-01-07 |