Historical clue formulations

• ["How about 'Sports and Comedy' for $800"] He was on first base, per Abbott and Costello — 2025-08-14
• Elite group — 2018-12-21
• V.I.P. list — 2017-12-31
• Reference work on notable people published since 1899 — 2015-08-10
• Elite group — 2013-10-17
• Group of notables — 2006-10-08
• Elite — 2002-12-07
• Where to look someone up — 2001-12-11
• Reference shelf staple — 1999-09-29