The Church, a Brotherhood. A Sermon preached in the Cathedral of Ss. Peter and Paul, Chicago, by Bishop Welles. At the Consecration of the Right Reverend William E. McLaren, Bishop of Illinois. December 8, 1875.
Chicago: Culver, Page, Hoyne and Co., 1876.

Catholic Dogma: The Antidote of Doubt.
New York: James Pott, 1883.

The Inner Proofs of God: The Baccalaurate Sermon Preached in St. Augustine's Chapel, Sewanee, Tennessee, at the Annual Commencement of the University of the South, on July 27th, the Seventh Sunday after Trinity, 1884.
New York: J. Pott, 1884.

Earnest Contention for the Faith: A Charge.
Chicago: P. F. Pettibone, 1890. [External link]

The Oxford Movement and the Catholic Revival.
New York: E. and J.B. Young, 1892.

The Practice of the Interior Life.
Milwaukee: Young Churchman Co., 1897.

The Sermon delivered by the Rt. Rev. William E. McLaren, D.D., Bishop of Chicago at the Decennary of the Rt. Rev. C. C. Grafton, Bishop of Fond du Lac at the Cathedral, Fond du Lac, Wisconsin On the Festival of S. Mark, April 25th, 1899.

The Holy Priest.
Milwaukee: The Young Churchman Co., 1899.

Lenten Soliloquies for Private and Public Use
Milwaukee: The Young Churchman Co., 1904.