Statistics for occurrence #1 of “Lieut. O. De Buis” in chapter 17 of John Dimitry , A. M., Confederate Military History, a library of Confederate States Military History: Volume 10.1, Louisiana:

...t into Chattanooga, attacked the enemy in his intrenchments, and drove them from their first line of rifle-pits, then being recalled at night to the ridge. In this campaign, Dreux‘ cavalry, Lieut. O. De Buis , served as escort with General Bragg, and Captain Leeds Greenleaf's Orleans Light Horse had the same honor with General Polk. Capt. George V. Moody's Madison battery, coming with Longstreet, arrived ...
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