Corpus Inscriptionum et Monumentorum Religionis Mithriacae
Corpus Inscriptionum et Monumentorum Religionis Mithriacae (CIMRM) is a two-volume collection of inscriptions and monuments relating primarily to the Mithraic Mysteries. It was compiled by Maarten Jozef Vermaseren and published at The Hague by Martinus Nijhoff Publishers, 1956, 1960 in 2 vols.
Source: Wikipedia — Corpus Inscriptionum et Monumentorum Religionis Mithriacae (CC BY-SA 4.0)