Subject
- Marriage certificate1
- Medals1
- Medical treatment1
- Mergers1
- Military administration1
- Military aviation1
- Military awards1
- Military communications1
- Military exercises1
- Military recruitment1
- Military reviews1
- Military service1
- Military strategy1
- Missing persons1
- Mixed marriages1
- Motor vehicles1
- Movable cultural property1
- Muscat Air Navigation Regulation (1936)1
- Muscat Order in Council (1915)1
- Mutiny1