Mangold, George B.
Problems of child welfare / George B. Mangold. - 3rd ed. - New York : Macmillan, 1936. - xvi, 549 p. ; 20 cm. - Social science text-books. .
Includes index.
Bibliographical references at end of each chapter.
327 327
Child welfare problems.
362.7 / M 3141
Problems of child welfare / George B. Mangold. - 3rd ed. - New York : Macmillan, 1936. - xvi, 549 p. ; 20 cm. - Social science text-books. .
Includes index.
Bibliographical references at end of each chapter.
327 327
Child welfare problems.
362.7 / M 3141