J. William Frost.
"A Century Of Liberal Quakerism".
This article is the text of a speech delivered from a longer text, "Three 20th-Century Revolutions," focusing on teachings about the content of faith and theology, changing perspectives about morality, and the evolution of the Peace Testimony. The full text can be found at the FGC website.
This work is freely available courtesy of Friends Journal. It is available freely available on the publisher's site.