Which preposition to use with specializing

in Occurrences 35%

The store specialized in women's wearing .

on Occurrences 4%

She had small patience with the faddist type of school that abhorred "night work" and whose students specialized on "manners" to the neglect of spelling.

for Occurrences 3%

It is essentially an animal specialized for ... the rapid progression of a bulky body over plains or deserts"

of Occurrences 2%

Its inverted use necessarily holds us fast in the bondage from which we are seeking to escape, and equally necessarily its right use brings us into Liberty; and therefore if any Divine revelation exists at all its purpose must be to lead us away from the inverted use of our creative faculty and into such a higher specializing of it as will produce the desired result.

as Occurrences 1%

It is one thing to superficially know that it is important for us to specialize as individuals, and it is quite another matter to bring ourselves to act in conformity with this fundamental law.

to Occurrences 1%

It is the Adamistic philosophy, so complimentary to Eve, that leads us to expect that all housewives can turn out a product as good as that of an expert who has specialized to the one end of making bread, and who is supplied with expensive equipment beyond the reach of the individual to possess.

with Occurrences 1%

Wickersham said he'd been anxious about her for weeksshe's been specializing with him, you know.

Which preposition to use with  specializing