Historical clue formulations

• Monopoly set, for short — 2024-04-14
• B&O and others — 2023-03-15
• Monopoly properties that don't get hotels, for short — 2022-11-20
• B&O and Reading: Abbr. — 2022-10-09
• B&O and Short Line: Abbr. — 2022-01-04
• $200 Monopoly properties: Abbr. — 2021-12-06
• Some $200 Monopoly properties, in brief — 2021-08-15
• $200 Monopoly properties, for short — 2020-12-05
• Monopoly properties you can't put houses on, in brief — 2020-08-31
• Monopoly quartet: Abbr. — 2019-12-22
• Monopoly foursome: Abbr. — 2019-01-20
• B&O and others: Abbr. — 2017-06-15
• Pennsylvania and others: Abbr. — 2016-09-24
• Monopoly game's B&O and Reading: Abbr. — 2016-09-12
• B&O and Pennsylvania: Abbr. — 2016-07-05
• Employers of dispatchers and brakemen: Abbr. — 2016-05-04
• Pennsylvania and others: Abbr. — 2016-04-01
• B&O and Pennsylvania, in Monopoly — 2015-11-11
• Monopoly quartet: Abbr. — 2015-05-13
• Monopoly quartet: Abbr. — 2014-04-18
• Some Monopoly properties: Abbr. — 2013-06-19
• They have end-to-end cars: Abbr. — 2013-01-18
• They make 39-Down: Abbr. — 2012-03-04
• Lines with crossings: Abbr. — 2011-12-18
• Four Monopoly properties: Abbr. — 2011-09-05
• Their lines have ties: Abbr. — 2011-08-27
• Ones on the right track?: Abbr. — 2011-06-02
• $200 Monopoly properties: Abbr. — 2010-12-29
• B&O and Short Line: Abbr. — 2010-12-13
• Four Monopoly assets: Abbr. — 2010-08-23
• Yards are part of them: Abbr. — 2010-05-29
• Rock Island and Reading: Abbr. — 2010-05-02
• Things with xings — 2010-01-21
• B&O and Reading: Abbr. — 2009-12-28
• $200 Monopoly properties: Abbr. — 2009-11-10
• Purview of the I.C.C. — 2008-07-16
• Monopoly quartet: Abbr. — 2008-06-19
• Commuting choices: Abbr. — 2008-06-06
• Commuters' choices: Abbr. — 2007-10-05
• Regulation targets for Theodore Roosevelt: Abbr. — 2007-08-31
• Reading and others: Abbr. — 2007-06-10
• Monopoly quartet: Abbr. — 2007-06-04
• B. & O. and Reading: Abbr. — 2007-04-09
• Traffic at Union Sta. — 2007-03-09
• Monopoly foursome: Abbr. — 2006-08-23
• Reading and the like: Abbr. — 2006-05-07
• Four Monopoly properties: Abbr. — 2006-01-31
• Monopoly quartet: Abbr. — 2005-12-04
• Trains: Abbr. — 2004-10-05
• Some transp. stocks — 2004-09-19