Meanings of superintend such in English

In one or two cases they did accomplish them too, until we got a really first-class board established to superintend such purchases.

Ordinarily one of us manages to superintend such operations, as the Derelict's principal aim is to make two garments go where only one went before.

Another, the Praetor Peregrinus, superintended such suits between a citizen and an alien or between two aliens.