Which preposition to use with maligns

in Occurrences 2%

Molly Sizer has seemingly been grossly maligned in your paper, and the editor is responsible.

as Occurrences 1%

When we hear the epithets, "vile matter," "corrupt mass," bestowed upon the public debt, and the owners of it indiscriminately maligned as the harpies and vultures of the community, there is ground to suspect that those who hold the language, though they may not dare to avow it, contemplate a more summary process for getting rid of debts than that of paying them.

at Occurrences 1%

Though unpopular and maligned at this time in England for his immoralities and haughty disdain, he was still the greatest poet of his age, a peer, and a man of transcendent genius of whom any country would be proud.

on Occurrences 1%

In the retirement of voluntary exile she answered the numerous accusations against her; for she was maligned on every side, and generally disliked, since her arrogance had become insupportable, even to her daughters.

Which preposition to use with  maligns