Statistics for occurrence #1 of “Richard B. Irwin” in chapter 6.79 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

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by Richard B. Irwin , Lieutenant-Colonel, Assistant Adjutant-General, U. S. V. On the 1st of May General Butler took possession of New Orleans, and immediately after-ward of all its outlying defenses. His instructio...
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