Böcker av David M. Heer

Kingsley Davis (1908-1997) was one of the pioneers in social demography, and was particularly identified with the theory of the demographic transition

When this volume was published in 1990, undocumented Mexican immigrants had become an important component of the US population. The author analyzes the results of a unique survey conducted in Los Angeles County, where an estimated 44 percent of the undocumented Mexican population lived.