The Works of Robert G. Ingersoll, Volume 6 (Barnes & Noble Digital Library)
2011
The Works of Robert G. Ingersoll, Volume 9 (Barnes & Noble Digital Library)
2011
The Works of Robert G. Ingersoll, Volume 12 (Barnes & Noble Digital Library)
2011
The Works of Robert G. Ingersoll, Volume 2 (Barnes & Noble Digital Library)
2011
The Works of Robert G. Ingersoll, Volume 4 (Barnes & Noble Digital Library)
2011
The Works of Robert G. Ingersoll, Volume 11 (Barnes & Noble Digital Library)
2011
Selected Interviews with Robert G. Ingersoll, Volume 2 (Unabridged)
2024
The Works of Robert G. Ingersoll, Volume 10 - Legal (Unabridged)
2024
Ingersoll on SHAKESPEARE, from the Works of Robert G. Ingersoll, Volume 3, Lecture 1 (Unabridged)
2024
Ingersoll on ABRAHAM LINCOLN, from the Works of Robert G. Ingersoll, Volume 3, Lecture 3 (Unabridged)
2024
Ingersoll on THOMAS PAINE, from the Works of Robert G. Ingersoll, Volume 1, Lecture 3 (Unabridged)
2024
Ingersoll on HUMBOLDT, from the Works of Robert G. Ingersoll, Volume 1, Lecture 2 (Unabridged)
2024