Which preposition to use with manful

to Occurrences 1%

But the old farmer ordered; and the son Went manful to the work, and held his peace.

under Occurrences 1%

They met, as was the phrase of the time, "manful under shield."

with Occurrences 1%

Fearing the stars of the sky, and the roll of the blue salt water, Fearing all things that have life in the womb of the seas and the livers, Eating no fish to this day, nor ploughing the main, like the Phoenics, Manful with black-beaked ships, they abide in a sorrowful region, Vexed with the earthquake, and flame, and the sea-floods, scourge of Poseidon.

Which preposition to use with  manful