The papers of Bertrand G. Burtnett papers document primarily the history of Bronxville; the life of Bertrand G. Burtnett, including his several careers—as member of the New York State naval national guard, real estate contractor and broker, New York State assemblyman, member and president of the Bronxville Board of Education, business executive, political activist, Mason, member of several hereditary organizations, and Bronxville Village Historian and Eastchester Town Historian; and his family history and the hereditary organizations he belonged to.