This album just hit the half-century mark on January 17th. (Hey, Rhino: we're ready for the Atmos + Quadio Blu-Ray now!) Here's a golden anniversary appraisal by Marc Myers, originally in the Wall Street Journal:
https://jonimitchell.com/library/view.cfm?id=5624
https://jonimitchell.com/library/view.cfm?id=5624