The list should be VA, NY, and RI. I don’t know how MD came to be in that second list, and Regnery told me years ago that they’d correct that problem; I can’t account for their not having done so.
You can find the statements from Virginia’s and New York’s ratifying conventions in the relevant volumes of THE DOCUMENTARY HISTORY OF THE RATIFICATION OF THE CONSTITUTION: volume X for Virginia’s, volume XXIII for New York’s. As to Rhode Island, I think I took the claim from Graham’s A CONSTITUTIONAL HISTORY OF SECESSION, but I don’t have my copy at hand.
