Analysis of information sources in references of the Wikipedia article "Central Confederacy" in English language version.
In the absence of any written reply to my note of the 25th ultimo, I can only give your honorable body the result of the personal interview I had with the Governor, and I regret to say that I found him not only opposed to the secession of Maryland from the Federal Union, but that if she should withdraw from the Union he advised and would urge her to confederate with the Middle States in the formation of a central confederacy. He almost informed me that he had already, in his official character, entered into correspondence with the governors of those States, including New York, Pennsylvania, New Jersey, Delaware, Virginia, Missiouri and Ohio, with a view, in the event of an ultimate disruption of the Federal Union, to the establishment of such central confederacy.