Historical clue formulations

• Site of King Rudolf's imprisonment, in fiction — 2015-11-22
• Castle town in a 1937 film — 2014-11-22
• Place of imprisonment in book and film — 2013-01-26
• Title castle town of book and film — 2008-08-08
• Title locale in a 1937 Ronald Colman film — 2001-11-29
• "The Prisoner of ___" — 1998-11-12
• Black Michael's castle, in book and film — 1997-01-04
• "The Prisoner of ___" — 1996-09-25
• "The Prisoner of___" — 1996-06-28
• "The Prisoner of _____" — 1995-12-24