The Efficacy of Prayer
| MPAA Rating: | NR |
| Genre: | Drama, Short |
| Country: | United States |
| Produced By: | Thomas H. Ince |
| Directed By: | Burton L. King |
| Cast: | Louise Glaum |
| In Theaters: | Nov 14, 1913 |
| Runtime: | 10 minutes |
Followers: 0
| MPAA Rating: | NR |
| Genre: | Drama, Short |
| Country: | United States |
| Produced By: | Thomas H. Ince |
| Directed By: | Burton L. King |
| Cast: | Louise Glaum |
| In Theaters: | Nov 14, 1913 |
| Runtime: | 10 minutes |