Which preposition to use with especially

TO Occurrences 7%

| | | | DEVOTED ESPECIALLY TO AMERICAN INTERESTS.

FOR Occurrences 1%

MAYONNAISE ESPECIALLY FOR SALMON Rub the yolks of two hard-boiled eggs to a powder, then add eight tablespoons of cream very gradually to them, also white pepper, a pinch of salt and a mere suspicion of cayenne pepper.

OF Occurrences 1%

A FEW GENERAL REMARKS ON THE VEGETATION OF CERTAIN COASTS OF TERRA AUSTRALIS, AND MORE ESPECIALLY OF ITS NORTH-WESTERN SHORES.

Which preposition to use with  especially