The Pierre de Lagarde Boal Papers contain the personal papers and three hundred photographs and foreign postcards of Pierre de Lagarde Boal, a member of the Boal family of Boalsburg, Pennsylvania, for the period 1887-1990. Amidst the correspondence, diaries and financial papers of the collection are letters from the French front written by Captain Pierre de Lagarde Boal while serving as an American volunteer in the French Cavalry from 1914-15.