The Junior World Series was a postseason championship series between champions of two of the three highest minor league baseball leagues modeled on the World Series of Major League Baseball. It was called the Little World Series until 1932, and acquired other official names at different times.
Pittston Gazette (Pittston, Pennsylvania)
Pittston Gazette (Pittston, Pennsylvania) of 06 Oct 1920, page 1 via <a rel="nofollow" class="external free" href="https://www.newspapers.com/clip/111889290/little-world-series-resumes-thursday/">https://www.newspapers.com/clip/111889290/little-world-series-resumes-thursday/</a>