Four Biographical Sketches: Bishop Ollivant, Bishop Thirlwall, Rev. Griffith Jones, and Sir Thomas Phillips, Q.C. with A Chapter on 'The Church of Wales'.
By John Morgan.
London: Elliot Stock, 1892.

Primitiæ; or, Essays and Poems, on Various Subjects, Religious, Moral and Entertaining.
London: Printed for the Author, 1809. [External link]

A Charge to the Clergy of the Diocese of St. David's.
London: Rivingtons, 1842. [External link]

A Charge Delivered to the Clergy of the Diocese of St. David's.
London: Rivingtons, 1857. [External link]

The Holy Seed: A Sermon Preached at the Opening of the Chapel of Christ's College, Brecon, on the 24th June, 1864.
London: Rivingtons, 1864. [External link]

Remains Literary and Theological of Connop Thirlwall, Late Lord Bishop of St. David's.
London: Daldy, Isbister and Co., 1877. [External links]

volume one
volume two
volume three

Essays, Speeches, and Sermons.
London: Bentley, 1880. [External link]

Letters to a friend.
London: Bentley, 1881. [External link]