Which preposition to use with obdurate

in Occurrences 5%

When he assumed the chief command in the Netherlands, he was sixty years of age; having grown old and obdurate in pride, ferocity, and avarice.

to Occurrences 3%

I am by theory obdurate to the seductiveness of what are called a fine set of teeth.

for Occurrences 3%

Thus the Virtue which is too obdurate for Gold or Paper, shall melt away very kindly in a Liquid.

of Occurrences 2%

He assumed the attitude of a criminal endeavoring to mollify a magistrate, he made the sheepiest of eyes, and smiled the most deprecating of smiles, and seemed to implore a grace or rather a favor, and yet the most obdurate of the Chinamen had not a word to say to him.

than Occurrences 2%

Was it likely that the fortress would hold out long, or that the maiden's heart would prove to be more obdurate than Danäe's? Soane, considering these things and his self-denial, grew irritable over his Chambertin.

as Occurrences 2%

But Mr. Smirkie was as obdurate as ever.

at Occurrences 1%

Obdurate at first, he would have yielded had not Kriemhild advised him to pursue the feud to the bitter end, unless her brothers consented to surrender Hagen to her tender mercies.

about Occurrences 1%

The doctor was obdurate about spirits, but felt his pulse, examined the pupils of his eyes, and promised him a calming hypodermic in an hour.

against Occurrences 1%

When they reached the camp, and it was announced to Coriolanus that a great crowd of women was approaching, he, as one who had been affected neither by the public majesty of the state, as represented by its ambassadors, nor by the sanctity of religion so strikingly spread before his eyes and understanding in the person of its priests, was at first much more obdurate against women's tears.

Which preposition to use with  obdurate