of long standing

References in classic literature ?
And in the last place, where this might not be the case, they would be of long standing, would have taken deep root, and would not easily be extirpated.
He was meeting Helene in Vilna after not having seen her for a long time and did not recall the past, but as Helene was enjoying the favors of a very important personage and Boris had only recently married, they met as good friends of long standing.
It is desirable besides what is enumerated as the object of enterprise that you note particularly the number of Warriors that may belong to each tribe, or nation that you may meet with: their alliances with other tribes and their relative position as to a state of peace or war, and whether their friendly or warlike dispositions towards each other are recent or of long standing.