Historical clue formulations

• Several works of Michelangelo — 2015-12-10
• Some Vatican art — 2013-06-08
• Some religious artworks — 2007-01-17
• Religious artworks — 2006-08-08
• Vatican artworks — 1998-09-19
• Some Renaissance works — 1996-06-26
• Religious works of art — 1995-02-16