Who should have childrenn An environmental and genetic approach.

Manylion Llyfryddiaeth
Prif Awdur:	Ingle, Dwight Joyce 1907-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Indianapolis Bobbs-Merrill c1973.
Pynciau:	Eugenics. Population control. Population growth. United States > Population. United States > Social conditions.