[844] In memorĭam (lat.), zum Andenken.
Brockhaus-1911: In perpetuam memoriam · In memoriam · Ad perpetuam memoriam
Herder-1854: ad perpetuam rei memoriam
Meyers-1905: Post homĭnum memorĭam · In perpetŭam reĭ memorĭam · Ad perpetŭam memorĭam
Pierer-1857: In perpetŭam rei memorĭam · Post homĭnum memorĭam · Ad futuram memoriam · Ad perpetuam memoriam