Historical clue formulations

• Heath evergreens — 2014-05-04
• Bell heather and tree heath — 2013-10-26
• Writer Jong and others — 2013-06-17
• Heath plants — 2008-03-06
• Lois Lane player Durance and others — 2007-09-28
• Heathers — 2006-04-28
• Evergreen shrubs — 2006-02-10
• Heath family members — 1998-01-16
• Writer Jong et al. — 1997-02-20