Statistics for occurrence #1 of “Commander Porter” in chapter 5, page 42 of John Dimitry , A. M., Confederate Military History, a library of Confederate States Military History: Volume 10.1, Louisiana:

...was worthy of her courage in the bombardment. On April 27th, about 12 m., a gunboat, under flag of truce, brought a written demand for the surrender of the forts. This formal demand was signed by Commander Porter of the mortar flotilla. The forts, still defiant, again refused to surrender. About 4 p. m. the French man-of-war, Milan, having asked permission of the forts, steamed up the river to the city....
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