Which preposition to use with unreliable

in Occurrences 6%

Most of these metrical efforts are very poor, unreliable in giving the sense, and awkward and ungainly in poetic forms.

as Occurrences 5%

Some people call such utterances "stuff," "nonsense," "puerilities," but nobody is so prejudiced and unreliable as the above-named some people.

beyond Occurrences 1%

He considered Bruce not only tedious to the verge of imbecility, but unreliable beyond the pardonable point of inaccuracy.

of Occurrences 1%

"Newspaper folk," remarked Major Doyle, who was now at the farm enjoying his vacation and worshipping at the shrine of the managing editor in the person of his versatile daughter, "are the most unreliable of any class in the world.

Which preposition to use with  unreliable