| Title: | Méditations sur le mystère de la Sainte Trinité |
| English title: | Meditations on the Mystery of the Holy Trinity |
| Genre: | organ |
| Composition Date: | 1969 (Paris) |
| Publisher: | Leduc (Paris, 1969) |
| Instrumentation: | organ |
| Duration: | 80 minutes |
| Premiere: | 20 March 1972, Basilica of the Immaculate Conception, Washington, DC (Olivier Messiaen, organ) |
| Dedication: | Unknown. |
| Movements: | Nine untitled movements. |
| Notes: | |
| Program notes: |
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