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| Collection title | The Collected Works of St. Thomas Aquinas. Electronic Edition. |
|---|---|
| Author | Aquinas, Thomas |
| Volume title | "The Letter of Thomas Aquinas De occultis operibus naturae ad quendam militem ultramonatanum" |
| Volume | 18 |
| Publisher | InteLex Corp. |
| Publisher location | Charlottesville, Virginia, U.S.A. |
| Published | 1993 |
| Print publisher | Catholic University |
| Print publisher location | Washington, D.C., USA |
| Print volume published | 1939 |