86(VIGILANTIA DUCIS) · proverbs, sayings, etc. (VIGILANTIA DUCIS)

98B(ALEXANDER THE GREAT)5391 · Alexander as ruler on his throne, holding an iron ball while sleeping, as symbol of the vigilance of a ruler

52A23 · Alertness, Vigilance; 'Guardia', 'Vigilanza', 'Vigilanza per difendersi & oppugnare altri' (Ripa)

44B10 · virtues of the ruler