Roosevelt, Theodore, 1858-1919. The new nationalism / With an introd. and notes by William E. Leuchtenburg. - Englewood Cliffs, N.J. : Prentice-Hall, 1961. - xii, 173 p. ; 21 cm. - Classics in history series, S-CH-3 A Spectrum book . Subjects--Geographic Terms: United States--Politics and government. Dewey Class. No.: 342.73 / RON 1961