Problems of child welfare, by George B. Mangold ...

by Mangold, George B. 1876-
Published 1936

Children born out of wedlock; a sociological study of illegitimacy, with particular reference to the United States, by George B. Mangold.

by Mangold, George B. 1876-
Published 1921

Children born out of wedlock : a sociological study of illegitimacy, with particular reference to the United States / by George B. Mangold.

by Mangold, George B. 1876-1962.
Published 1921

Problems of child welfare / by George B. Mangold

by Mangold, George B. 1876-1962
Published 1914

Problems of child welfare by George B. Mangold.

by Mangold, George B. 1876-1962.
Published 1914