1. Boxcars WH40K Podcast - S02E04 - Adeptus Custodes Dread Host discussion

2. They also provided most of the emperor Augustus' elite regiment of Germanic bodyguards (Germani corpore custodes), which continued in existence until AD 68.

3. Edward crossed the English Channel to France in January, leaving Gaveston as his custos regni in charge of the kingdom in his absence.

4. O Sistema de Combinação de Cultivares ajuda a diminuir os custos, a escalonar a colheita e a aumentar a segurança na condução das lavouras

5. The Roman myth refers to Canis Major as Custos Europae, the dog guarding Europa but failing to prevent her abduction by Jupiter in the form of a bull, and as Janitor Lethaeus, "the watchdog".