Historical clue formulations

• Big sister? — 2019-10-09
• Number one nun — 2019-09-08
• Mother figure — 2016-03-09
• Who sings "Climb Ev'ry Mountain" in "The Sound of Music" — 2016-01-14
• Superior woman? — 2015-05-28
• Person at the top of the order — 2014-12-12
• "Climb Ev'ry Mountain" singer in "The Sound of Music" — 2010-06-26
• "The Sound of Music" figure — 2002-03-16
• Big sister? — 1999-09-18
• "The Sound of Music" figure — 1999-08-01
• Superior — 1999-07-15
• Religious leader — 1998-07-18
• Top nun — 1994-10-31
• Walpurgis, e.g. — 1994-08-20