| title | ISBN-13 | year of publication |
|---|---|---|
| Atheist Truth Vs. Religion's Ghosts | 978-0-911826-03-6 | 1980 |
| Enrollment Problem: Proven Management Techniques | 978-0-02-915520-2 | 1987 |
| Ingersoll's Greatest Lectures | 978-0-318-16706-0 | 1989 |
| Some Reasons Why I Am a Freethinker | 978-0-910309-72-1 | 1993 |
| Works | 978-99971-40-99-9 | 1929 |
Col. Robert Green Ingersoll · R. Ingersoll · rebert ingram · Robert G. Ingersoll · Robert Green, Col. Ingersoll · Robert Green Ingersoll · Robert Ingram · Robert Stewart-Ingersoll · Roberta Ingaramo
Amer Atheist Pr · American Atheist Press · Macmillan · UMI Books on Demand