Statistics for occurrence #1 of “Jno. F. O'Brien” in chapter 6 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...t be prepared. Finally, he directs that you make a report on the Raine's torpedoes, which have been placed in front of Battery Wagner. I am, Colonel, very respectfully, your obedient servant, Jno. F. O'Brien , Major and A. A. G. The nature of the subject, and the desire to do full justice to it, have induced repetitions of orders and telegrams in this and the following chapter. The interest of the...
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