Which preposition to use with doddridge

of Occurrences 6%

In December, 1831, the committee on the District, Mr. Doddridge of Virginia, Chairman, reported, "That until the adjoining states act on the subject (slavery) it would be (not unconstitutional but) unwise and impolitic, if not unjust, for Congress to interfere."

Which preposition to use with  doddridge