Historical clue formulations

• 20-Across members: Abbr. — 2016-01-24
• Firm group: Abbr. — 2014-01-05
• Lawyers: Abbr. — 2012-04-17
• ___-at-law: Abbr. — 2011-07-31
• 26 of the 44 U.S. presidents: Abbr. — 2011-07-24
• Court figs. — 2011-01-20
• Some advisers: Abbr. — 2008-12-12
• Bar tenders?: Abbr. — 2008-09-19
• Lawyers: Abbr. — 2005-11-07
• Courtroom figs. — 2004-05-04
• Some partners: Abbr. — 2003-12-28
• Firm parts: Abbr. — 2001-04-29
• Case workers: Abbr. — 1999-06-11
• Case workers: Abbr. — 1998-02-01
• Esqs. — 1997-03-04
• A.B.A. members — 1996-05-26
• Court figures: Abbr. — 1995-09-27