Which preposition to use with superficialities

of Occurrences 10%

Anyone who has seen much of undergraduates, or medical students, or Army candidates, and also of their social subordinates, must be disposed to agree that the difference between the two classes is mainly in unimportant thingsin polish, in manner, in superficialities of accent and vocabulary and social habitand that their minds, in range and power, are very much on a level.

as Occurrences 1%

If this principle on the part of mothers in America in providing for their children were confined to such superficialities as their clothing, no appreciable harmor goodwould come of it.

in Occurrences 1%

"What the eighteenth century lacked [M. Guizot, Melanges biographiques (Madame la Comtesse de Rumford)], "what there was of superficiality in its ideas and of decay in its morals, of senselessness in its pretensions and of futility in its creative power, has been strikingly revealed to us by experience; we have learned it to our cost.

Which preposition to use with  superficialities