Historical clue formulations

• Cabinet dept. since 1889 — 2026-07-23
• Cabinet dept. concerned with farming — 2019-02-21
• Cabinet dept. — 2016-11-01
• Cabinet dept. — 2016-03-24
• The "A" of U.S.D.A.: Abbr. — 2015-05-12
• Field of fields?: Abbr. — 2014-05-31
• Cabinet-level dept. since 1889 — 2014-04-02
• Cabinet dept. — 2013-03-17
• Cabinet dept. since 1889 — 2012-10-14
• U.S.D.A. part: Abbr. — 2012-06-20
• Cabinet dept. — 2012-03-08
• Cabinet dept. — 2012-02-01
• Farm-related: Abbr. — 2011-05-09
• Cabinet dept. — 2010-10-01
• Cabinet dept. overseeing farm interests — 2010-04-20
• U.S.D.A. part: Abbr. — 2009-07-09
• Field of field workers: Abbr. — 2009-02-13
• Cabinet dept. — 2007-08-22
• A cabinet dept. — 2007-03-25
• Farming area: Abbr. — 2006-10-28
• Cabinet post: Abbr. — 2006-10-03
• Farmer's sci. — 2004-11-16
• Cabinet dept. — 2004-05-21
• Cabinet dept. — 2004-01-22
• Cabinet dept. — 2003-06-19
• Cabinet dept. — 2002-11-20
• Cabinet dept. — 2002-09-08
• Farmer's field: Abbr. — 2002-03-10
• Part of U.S.D.A.: Abbr. — 2002-01-06
• Cabinet dept. — 2001-03-10
• Cabinet Dept. — 2001-02-20
• Purdue Univ. major — 2001-02-10
• Cabinet Dept. — 1999-09-16
• Cabinet dept. — 1999-02-21
• Cabinet Dept. — 1998-06-13
• Farming: Abbr. — 1998-02-23
• Farmer's field: Abbr. — 1997-11-22
• Cabinet Dept. — 1997-01-25
• Cabinet dept. — 1996-11-03
• Farming: Abbr. — 1996-01-01
• Cabinet dept. — 1995-04-04
• Cabinet dept. — 1994-12-04
• Cabinet dept. — 1994-09-16
• Cabinet dept. — 1994-08-03
• Farming: Abbr. — 1994-06-21
• Farm-related: Abbr. — 1994-03-27