1966-08-21: 50 Years Ago This Month, the Beatles Played Their Only St. Louis Show | St. Louis News and Events | Riverfront Times

50 Years Ago This Month, the Beatles Played Their Only St. Louis Show (at the Busch Stadium):
50 Years Ago This Month, the Beatles Played Their Only St. Louis Show — and Hated Every Minute of It | Music Stories | St. Louis News and Events | Riverfront Times

And the set list was:
http://www.riverfronttimes.com/musicblog/2014/02/13/here-is-the-setlist-from-the-beatles-1966-concert-at-busch-stadium?showFullText=true

And this is an article on the author of some of the few color photos of the Beatles live who went to see Sir PM:
http://www.riverfronttimes.com/musicblog/2016/08/15/st-louis-photographer-thinks-paul-mccartney-was-better-50-years-ago