| title | creator | language | description | tableOfContents | contributor | subject | created |
| Oswald Langdon
or, Pierre and Paul Lanier. A Romance of 1894-1898 | Hamilton, Levi Jackson | en | | | | | 2007-08-02 |
| The Epic of Gilgamish
A Fragment of the Gilgamish Legend in Old-Babylonian Cuneiform | Langdon, Stephen, 1876-1937 | en | | | | | 2006-07-23 |
| Representative Plays by American Dramatists: 1856-1911: The New York Idea | Mitchell, Langdon Elwyn, 1862-1935 | en | | | Moses, Montrose Jonas, 1878-1934 [Editor] | | 2008-05-23 |
| Sumerian Liturgies and Psalms | Langdon, Stephen, 1876-1937 | en | | | | | 2010-04-10 |