Historical clue formulations

• Paul Simon's "___ Rock" — 2021-10-03
• "___ Rock" — 2013-12-12
• Simon & Garfunkel's "___ Rock" — 2013-06-04
• Meaning of "Ich bin ein" in J.F.K.'s quote — 2012-10-04
• Simon & Garfunkel's "___ Rock" — 2011-02-21
• "___ Strange Loop," 2007 Douglas Hofstadter book — 2010-08-26
• "___ Rock" (Simon & Garfunkel hit) — 2010-02-01
• "___ Dancer" (1973 Nureyev documentary) — 2007-03-22
• Paul Simon's "___ Rock" — 2006-01-17
• "___ Dancer" (Nureyev documentary) — 2005-08-19
• "___ Dancer" (Nureyev documentary) — 2005-03-25
• "___ Rock" — 2004-11-21
• "___ Rock" — 2004-10-14
• Paul Simon's "___ Rock" — 2003-10-15
• "___ Camera" — 2002-10-02
• Dylan's "___ Lonesome Hobo" — 2002-09-20
• "___ Camera" — 2001-07-31
• "___ Camera" — 1999-09-28
• "___ lineman for the county" (Glen Campbell lyric) — 1999-06-09
• "___ Union Woman" (old labor song) — 1999-04-11
• "___ Rock" (Simon & Garfunkel hit) — 1999-03-09
• "___ Camera" — 1998-06-03
• "___Camera" — 1996-06-13
• "____ Camera" — 1995-09-27