| Issue | #991 |
| Published | May-July 1959 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia title is "FRANCIS, THE FAMOUS TALKING MULE, No. 991." Code number is FRANCIS O.S. #991-595. Copyright 1959 by David Stern. |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | Francis follows Pete into the library, though no animals are allowed inside. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Inside front cover; black and white. Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | Francis goes to Rome to play a part in a chariot race in a new "Ben Hur" movie, but the director is not very happy to have him. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | Upset when a general says that mules are obsolete for Army work, Francis manages to get the general to set up a contest between a mule and a tank. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Story continues in Sequence 4. Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | Pete and Francis are now garbage collectors in the Army. A pair of spies pose as officers to use Francis to carry concealed tape recorders to record military secrets. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Story continues from Sequence 3. The last panel is Dell's "A Pledge to Parents." Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | After Francis eats some apples at a grocery store and talks, the owner thinks another customer (not Pete) is a ventriloquist. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Inside back cover; black and white. Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Francis, the Talking Mule; Peter Stirling |
| Synopsis | Francis tries to get a drink of water, but all the fountains are off-limits to mules. The exception is the one at the Democratic Club. |
| Pencils | David Gantz |
| Inks | David Gantz |
| Notes | Back cover; pantomime story. Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). |