Historical clue formulations

• Place where people lived in "How the Other Half Lives" — 2015-01-02
• Slumlord's building — 2011-10-17
• Overcrowded digs — 2009-10-02
• Catfish Row in "Porgy and Bess," e.g. — 2007-04-28
• Rent-controlled building, maybe — 1997-07-21
• Ghetto sight — 1996-08-31
• Slumlord property — 1995-06-12
• Urban housing — 1995-03-13