Which preposition to use with perspicuity

of Occurrences 21%

Yet, with all proper deference to a name so justly celebrated, I will take the freedom of observing, that he has succeeded better as a scholar than a poet; having fallen below the strength, the conciseness, and, at the same time, below the perspicuity of his author.

in Occurrences 2%

They are some of them uncommon, but such as the Reader must assent to, when he sees them explained with that Elegance and Perspicuity in which they are delivered.

as Occurrences 1%

In the twelve sections of Timber which he devotes to rhetoric he incorporates a sound treatise on prose style, urging restraint and perspicuity as especial virtues.

on Occurrences 1%

Of course I know the young fellow well: it argues no perspicuity on my part to have foreseen that.

to Occurrences 1%

The statutes should therefore, as far as practicable, not only be made accessible to all, but be expressed in language so plain and simple as to be understood by all and arranged in such method as to give perspicuity to every subject.

Which preposition to use with  perspicuity