Which preposition to use with mediæval

in Occurrences 3%

We note simply that it is mediæval in spirit, and French in style and expression; and that sums up the age.

as Occurrences 1%

But the legend he carved under these cruder symbols was everywhere the same; and whether fables began with Æsop or began with Adam, whether they were German and mediæval as Reynard the Fox, or as French and Renaissance as La Fontaine, the upshot is everywhere essentially the same: that superiority is always insolent, because it is always accidental; that pride goes before a fall; and that there is such a thing as being too clever by half.

Which preposition to use with  mediæval