books.google.fr - This bestselling title has been extensively revised and updated to provide an accurate statistical portrait of the American family as it exists today. Data collected from federal and state government agencies, Gallup polls, professional journals, and research are presented in a single, easily accessible...https://books.google.fr/books/about/Statistical_Handbook_on_the_American_Fam.html?hl=fr&id=isQrs_vHRbYC&utm_source=gb-gplus-shareStatistical Handbook on the American Family
