Mathews, Shailer, 1863-1941 (Personal Name)
Author's Christendom.
Lincoln birthday service in Memorial Hall, 1919: title page (Shailer Mathews)
Wikipedia, WWW site, viewed November 5, 2017: Shailer Mathews (May 26, 1863 - October 23, 1941; liberal Christian theologian; Born in Portland, Maine; served as dean of the Divinity School of the University of Chicago (from 1908-1933)) https://en.wikipedia.org/wiki/Shailer_Mathews