How long he would have sat will never be known, if his brown study had not been ended by Rivington's entrance.
Katy stood in what is commonly designated as a "brown study."
It was rather a silent drive, for Will obediently kept his muffler up, and Tom fell into a brown study.
Kate suddenly looked up from the brown study into which she had fallen.
Then he went into a brown study, which is one way of saying that he thought very hard.
She was setting there in a brown study, with it laying in her lap.
Mr. Witherington having pulled the bell again, fell into a brown study.
Corbin Wood, who had been standing in a brown study, began to descend the steps.
She wrinkled up her brows, and lost herself in a brown study.
I was standing in a brown study when I heard the skipper's voice calling me.