↑"Annual Report: Highlights". Washington National Cathedral. 2016. Diarsipkan dari asli tanggal December 17, 2018. Diakses tanggal April 23, 2018.
Bibliografi
Marjorie Hunt, The Stone Carvers: Master Craftsmen of Washington National Cathedral (Smithsonian, 1999).
David Hein, Noble Powell and the Episcopal Establishment in the Twentieth Century. Foreword by Peter W. Williams. Urbana: Univ. of Illinois Press, 2001; Eugene, Ore.: Wipf & Stock, 2007. Includes a chapter on Powell when he was dean of WNC and warden of the College of Preachers.
Step by Step and Stone by Stone: The History of the Washington National Cathedral (WNC, 1990).
A Guide to the Washington Cathedral (National Cathedral Association, 1945).
Peter W. Williams, Houses of God: Region, Religion, and Architecture in the United States (Urbana: University of Illinois Press, 1997).