Historical clue formulations

• Thrice, in prescriptions — 2016-10-16
• Thrice, in Rx's — 2016-07-17
• Thrice, in prescriptions — 2016-01-31
• Three times, in a prescription — 2015-10-19
• One more than bis, in prescriptions — 2015-10-10
• Three: Prefix — 2015-02-03
• Rx specification — 2013-09-20
• Thrice, on an Rx — 2013-01-02
• Thrice, in prescriptions — 2012-09-04
• - — 2010-12-30
• Dutch painter Gerard ___ Borch — 2010-07-29
• Thrice, to a pharmacist — 2010-04-24
• Three times, in prescriptions — 2009-05-28
• Rx specification — 2009-04-02
• Thrice, in Rx's — 2008-10-26
• Thrice, in prescriptions — 2008-09-28
• Rx specification — 2007-11-17
• Prescription notation — 2007-08-03
• Thrice, in Rx's — 2006-12-24
• Three times: Prefix — 2006-10-13
• Prescription notation — 2005-08-07
• Three times, in an Rx — 2004-11-24
• Thrice: Lat. — 2004-08-20
• Thrice, in prescriptions — 2003-09-28
• Pharmacist's "three times" — 2003-07-19
• Dutch painter Gerard ___ Borch — 2003-04-27
• Rx word — 2000-07-14
• Prefix with centenary — 2000-06-24
• Prescription notation — 1999-05-08
• Three times: Prefix — 1999-02-18
• Three times, in prescriptions — 1998-11-22
• Armenian President Levon ___-Petrosyan — 1997-09-12
• Artist Gerard ___ Borch — 1997-05-16
• Three times, in prescriptions — 1996-07-13
• Painter Gerard___Borch — 1996-06-09
• Thrice, in prescriptions — 1996-03-02
• Painter Gerard___Borch — 1996-02-22
• Three: Prefix — 1995-06-08
• Painter Gerard _____ Borch — 1995-03-05
• Painter _____ Borch — 1994-11-11
• Artist Gerard _____ Borch — 1994-07-03
• Dutch painter Gerard _____ Borch — 1994-02-09
• Thrice, in prescriptions — 1994-01-23