This article presents information I researched in 1997 about the origins of World Communion at Shadyside Presbyterian Church in 1933, as printed in the wonderful but no longer in publication journal called "Church Worship".
Simply click on each photo, and you will be able to read each page easily.
Please note, there had been a link that is now broken, to this article. I am citing the link here, in the hope that people will find this post when they search for the article: