This collection consists of letters written by Frederick J. Mauriello to his parents and sisters during his basic training and service in World War II. Included with the letters are a map, drawings, newspaper clippings, photographs, and photographic negatives. Letters originating in the United States were sent from Massachusetts, Tennessee, Virginia, and North Carolina. Overseas letters are postmarked from France, Belgium, Holland, and Germany.

Also included is material for Christopher Mauriello's book, From Boston to Berlin (2001), which included a selection of his father's letters alongside photographs by Roland Regan, Sr.