Statistics for occurrence #1 of “Messrs. Mason” in chapter 7 of Admiral David D. Porter, The Naval History of the Civil War.:

..., knowing very well the object of our visit and the character and mission of the Commissioners; but Mr. Mason being recognized, a part of the armed crew was ordered from the boat and went on board. Messrs. Mason and Slidell were then requested to go on board the San Jacinto, but declined, and said that they would only yield to force, Mr. Slidell remarking that it would require considerable force to take him ...
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