In Memoriam, Good Men a Nation's Strength: A Sermon Preached on the Occasion of the Death of Gen. Robert E. Lee, in Christ Church, Alexandria, Va., October 16, 1870.
Baltimore: G. Lycett, 1870.

Washington's Church: An Historical Sketch of Old Christ Church, Alexandria, Virginia, together with a Brief Description of the Centenary Services Therein, November 20 and 21st, 1873.
Alexandria, Virgina: Press of R. Bell's Sons, 1894. [External link]

Leo XIII at the Bar of History: A Discussion of the Papal Plan for Christian Unity.
Washington, D.C.: Gibson Brothers, 1897. [External link]

The Meaning of Our National Bereavement.
Washington, D.C.: B.S. Adams, 1901. [External link]

The Gospel in the Christian Year and in Christian Experience: Practical Sermons for the People, Advent to Trinity.
New York and London: Longmans, Green and Co., 1902. [External link]

What is Catholicity? An Essay by Randolph H. McKim together with the Reply of Alfred G. Mortimer, and the Rejoinder of the Author, to Which is Appended a Note on Fasting Communion.
New York: Thomas Whittaker, 1903.

The Problem of the Pentateuch: An Examination of the Results of the Higher Criticism.
New York: Longmans, Green and Co., 1906. [External link]

A Soldier's Recollections: Leaves from the Diary of a Young Confederate, with an Oration on the Motives and Aims of the Soldiers of the South.
New York and London: Longmans, Green and Co., 1910. [External link]

The Proposal to Change the Name of the Protestant Episcopal Church, Considered in the Light of True Catholic Principles.
New York: E.P. Dutton, 1913. [External link]

National Opportunity and Responsibility: A Sermon Delivered in the Church of Epiphany, Washington, D.C.
Washington, D.C.: Church of the Epiphany, 1915. [External link]

Is the Episcopal Church Catholic or is It Protestant? An Address Delivered in the Church of the Saviour, Philadelphia, Sunday, February 26, 1916, in Answer to the Challenge of Bishop Anderson and Bishop Kinsman
Philadelphia: George W. Jacobs, 1916.

America's Stewardship in Respect to Wealth, to Constitutional Principles and to International Obligations: A Sermon Delivered in the Church of the Epiphany, Washington, D.C., Thanksgiving Day, November 30, 1916.
Washington, D.C.: Church of the Epiphany, 1916.

America Summoned to a Holy War: A Sermon Delivered in the Church of the Epiphany.
Washington, DC: no publisher, 1917. [External link]