"Humph," half laughed the lawyer, though with obvious disgust at the mulishness in Peter's face and voice.
"The Honorable Peter Stirling and What People Thought of Him"
Paul Leicester Ford
Her face was still comely, and there was the mild mulishness in her expression that is seen in the countenances of many amiable yet obstinate persons.
"The Miller Of Old Church"
Ellen Glasgow
Then, said Brooke, with a faint twinkle in his eyes, I'm afraid I don't quite understand the moral causes of the proceeding myself, though I have heard my comrade describe one quality which may have had something to do with it as mulishness.
"A Damaged Reputation"
Harold Bindloss