"Sociale stratificatie." . . . . "Sociologie van het gezin. Sociologie van de seksualiteit." . . . . . . . . . . . . . . . "Study of a white working class neighborhood in Washington, D.C. Two very different blue collar families, the Shackelfords and the Mosenys, live on Clay street. This is their story of survival from the 1970s to the 1990s."@en . . . . . . . . . . . "Hard living on Clay Street. Portraits of blue collar families" . . . "Hard living on Clay Street : portraits of blue-collar families" . . . . . . . "Hard living on Clay Street" . . "Case studies" . "Case studies"@en . "Hard living on Clay Street portraits of blue collar families"@en . "Hard living on Clay Street : portraits of blue collar families"@en . "Hard living on Clay Street : portraits of blue collar families" . . . "Verenigde Staten." . . "Soziologie." . . "Poor." . . "Arbeiterfamilie." . . "USA." . . "Labor and laboring classes." . . "Arbeiders." . . "Sociale problemen." . . "Washington, D.C." . . "Washington D.C." . "Washington (D.C.)" . "Etnische minderheden." . . "Washington, D.C, Poor, Case studies." . .