Education for international understanding / Adam, Thomas Ritchie 1900- American Association for Adult Education. Columbia University. Teachers College. Institute of Adult Education. International education. 374 ADE Prepared for the Institute of Adult Education and the American Association for Adult Education. Includes bibliographical references and Index. New York : Institute of Adult Education, Teachers College, Columbia Univ., 1948. 1948. 1948 Text vii, 181 p. : eng