ALLENT. History of the Imperial Corps of Engineers... Paris. Magimel. An XIII - 1805. 1 volume in-8, paperback. First part, only published. Lieutenant-Colonel Allent deals with the history of the Corps of Engineers up to the end of the reign of Louis XIV. XIV. The work includes an important section on Vauban. Enriched copy with a handwritten letter dated February 19, 1832, from the Minister of War of War, the Duke of Dalmatia, thanks the author, now General, for sending the plan of the battle of Rocroy. Rocroy. The letter is written by a secretary and signed by the Minister.