A History of the So-Called Jansenist Church of Holland; with a Sketch of Its Earlier Annals
And Some Account of the Brothers of the Common Life.
By John Mason Neale
Oxford: John Henry and James Parker, 1858.

Rede Des Bischofs Strossmayer Ueber Die Unfehlbarkeit des Papstes. Eine Stimme innerhalb der roemischen Kirche. Zweite Auflage. 1872.
[Bishop Josip Juraj Strossmayer's Speech on Papal Infallibility]

The 'Old Catholics' at Cologne: A Sketch in Three Scenes
By Herr Fröhlich [Attributed to Arthur Featherstone Marshall]
New York: James A. McGee, 1873.

Anglo-Continental Sympathy with Continental Reform.
A Sermon Preached in Westminster Abbey, on Sunday, October 17th, 1875.
By the Rev. William Stevens Perry, D.D.

The Reunion Conference at Bonn 1875
A Personal Narrative by William Stevens Perry
No place: Printed Privately, 1876.

The Mozarabic Liturgy and the Mexican Branch of the Catholic Church of Our Lord Jesus Christ Militant upon Earth: A Liturgical Study.
By the Rev. Charles R. Hale, A.M. Reprinted from the American Church Review, April 1876.
Privately Printed, 1876.

On the Clause "And the Son" in Regard to the Eastern Church and the Bonn Conference.
A Letter to the Rev. H. P. Liddon by the Rev. Edward Bouverie Pusey. London: Rivingtons, 1876.

The Offices of the Old Catholic Prayer-Book
Done into English and Compared with the Offices of the Roman and Old German Rituals.
Oxford and London: James Parker and Co., 1876.

Church Reform Movement at Rome: The Italian Catholic Church. Conte Enrico di Campello and Monsignore Giambattista Savarese.
By Charles Rankin Conybeare.
Winchester: Printed by Jacob and Johnson, Hants Chronicle Office, 1884.

Visit of the Bishop of Salisbury to the Old Catholics of Bohemia
Foreign Church Chronicle, December, 1889.

A Letter on the Succession of Bishops in the Church of England:
Addressed to the Most Reverend John Heykamp, Archbishop of Utrecht, and to the Bishops of Harleem and Deventer,
With the Clergy and Laity of the Old Catholic Church of Holland.
By John Wordsworth, D.D., (1892)

Life of Edward Bouverie Pusey, by Henry Liddon and J. O. Johnston. London: Longmans. Four volumes. 1894.

Chapter XII Old Catholics--Bonn Conferences--The Filioque Clause--Letter to Dr. Liddon--Jewish Interpretation

Virorum Congressui Omnium Gentium de Fide et Ordine Instituendo Communiter Delectorum ad Concilium Episcopale Ecclesiarum Catholicarum Veterum Europaearum Epistola.
Letter to the Most Reverend Gerhard Gul, Archbishop of Utrecht on a proposed World Conference on Faith and Order.
Signed by Charles P. Anderson, Boyd Vincent, Charles H. Brent, B. Talbot Rogers, Henry S. Nash, J. Pierpont Morgan, and Samuel Mather.
No place: The Committee on Correspondence with the Old-Catholic Churches, 1910. [Text in Latin and English]

True Religion
An Address delivered at South Bend, Indiana, Sunday, May 4th, 1913.
By Victor von Kubinyi
South Bend, Indiana: no publisher, 1913.

From The Works of the Rt. Rev. Charles C. Grafton, edited by B. Talbot Rogers, New York: Longmans, Green, 1914.

Chapter XIV. The Polish Old Catholic Movement

Bishop Kozlowski and the Quadrilateral

The Old Catholic Churches and Anglican Orders
By the Rev. C. B. Moss.The Christian East, January, 1926, pp. 216-218.

The Place of the Old Catholics in the Work of Unity
By the Rev. C. B. Moss.The Christian East, Winter, 1928, pp. 167-170.

The Old Catholic Movement--Our Attitude toward It, by William Chauncey Emhardt (1931).

Relations Between the Orthodox and Old Catholic Churches.
The Christian East, 1932, 13:3, 4; pp 91-98

The Western Rite and the Eastern Church:
Dr. J. J. Overbeck and His Scheme for the Re-Establishment of the Orthodox Church in the West
By David F. Abramtsov
Submitted to the Graduate Faculty in the Division of the Social Sciences in Partial Fulfillment of the Requirements For the Degree of Master of
Arts. University of Pittsburgh, 1961

Intercommunion between the Episcopal Church and the Polish National Catholic Church 
A Survey of Its Development
By the Rev. Warren C. Platt

O Felix Culpa!  [html]
Should Old Catholic Bishops Participate in the Laying-on-of-Hands at Anglican Consecrations when Lutheran Bishops are Co-Consecrators?
By the Rev. Canon Professor J. Robert Wright
Prepared for the International Anglican/Old Catholic Consultation at Prague, August 23-24, 2002

.