数量1 v. (various pagings) illus. 24 cm.
一般注記Reprint of Infant mortality, by E. Duke, first published in 1915; of Maternal mortality from all conditions connected with childbirth in the United States and certain other countries, by G. L. Meigs, first published in 1917; of The nutrition and care of children in a mountain county of Kentucky, by L. Roberts, first published in 1922; of Maternal deaths; a brief report of a study made in 15 states, issued by the United States Children's Bureau, first published in 1933; and of Habit clinics for child guidance, by D. A. Thom, first published in 1939.
書誌注記Includes bibliographical references.