Hagedorn, Hermann The boys' life of Theodore Roosevelt / Hermann Hagedorn. - New York : Harper, 1918. - 128 pages : portr.; 16 cm. - 9(73)(092) Roosevelt (NLA) . Subjects--Personal Names: Roosevelt, Theodore, 1858-1919. Subjects--Geographic Terms: United States--History Universal Decimal Class. No.: 9(73)(092) Roosevelt (NLA)