Historical clue formulations

• Dorothy of old "Road" films — 2021-02-19
• Part of a hit 1940s-'50s film trio — 2016-07-30
• Dorothy of "Road" movies — 2016-06-22
• Big name in western literature — 2015-03-26
• Dorothy of old "Road" films — 2014-08-07
• Frequent Hope/Crosby co-star — 2002-01-06
• Repeated Hope/Crosby co-star — 2001-05-13
• Hope/Crosby co-star Dorothy — 1998-07-06