| title | creator | language | description | tableOfContents | contributor | subject | created |
| Lectures of Col. R. G. Ingersoll - Latest | Ingersoll, Robert Green, 1833-1899 | en | | | | | 2005-06-01 |
| Lectures of Col. R. G. Ingersoll, Volume I
Including His Answers to the Clergy,
His Oration at His Brother's Grave, Etc., Etc. | Ingersoll, Robert Green, 1833-1899 | en | | | | | 2005-05-01 |
| The Ghosts
And Other Lectures | Ingersoll, Robert Green, 1833-1899 | en | | The ghosts -- The liberty of man, woman and child -- The Declaration of independence -- About farming in Illinois -- Speech at Cincinnati, nominating James G. Blaine for the presidency, June, 1876 -- The past rises before me like a dream -- The Grant banquet -- A tribute to the Rev. Alexander Clark -- A tribute to Ebon C. Ingersoll. | | | 2009-10-06 |
| The Works of Robert G. Ingersoll, Volume VIII.
Interviews | Ingersoll, Robert Green, 1833-1899 | en | | | | | 2007-01-25 |