Mother and child
Subtitle: The official Hay system book on the pre-natal care of the mother, and the care, feeding and training of children.
Contributors: Hay, William Howard, 1866-1940.
Publisher: Hay system publications
Published: 1947
Place of publication: Mount Pocono, Pa
Language: eng
Number of pages: 224
Notes: A new edition of The Hay system of child development, by William H. Hay and Esther L. Smith.