books.google.fr - Blacks and Whites. Men and Women. Historically, each group has held very different types of jobs. The divide between these jobs was stark—clean or dirty, steady or inconsistent, skilled or unskilled. In such a rigidly segregated occupational landscape, race and gender radically limited labor opportunities,...https://books.google.fr/books/about/Opportunity_Denied.html?id=QxuM454youwC&utm_source=gb-gplus-shareOpportunity Denied