England
Middle Ages, A Squire's Tale- The Story of Little Crosby, Act Against Jesuits and Seminarists (1585), Bavarian Embassy Catholic Church, Douay-Rheims: a Story of Faith, England (After 1558), English Reformation Sources, Erdington Abbey 1850-1876-2001, Fox's Book of Martyrs, History of Catholicism in England, Lingard, John
Nineteenth Century
An Act for the Relief of His Majesty's Roman , Catholic Emancipation, Catholic Emancipation, Gladstone: The Vatican Decrees, 1874, Papal Infallibility, Roman Catholicism in Nineteenth-Century Great Brit, Speech against the Maynooth Grant by John Plumptre
Organisations
Catholic Archives Society, Catholic Family History Society, Catholic Record Society, Midland Catholic History Society, North East Catholic History Society, North West Catholic History Society, The Postgate Society, Wales & the Marches Catholic History Society
Scotland
Priests, Patrons And Piety - The Scots College Par, Scottish Catholic Heritage, Scottish Medieval Churches (Richard Fawcett), The Catholic Church in the Western Isles, The Innes Review, The Scalan Trail
A Blueprint for Tyranny? Sir Edward Hales and the
An article English Historical Review on the planning of the Jacobites in the event of a restoration overturing the invasion of England by William of Orange.
Benedictine Military Chaplains in the First World
Essay on the role of temporary military chaplains from the English Benedictine Congregation. PDF format.
Douay-Rheims: a Story of Faith
An article about the Douay-Rheims version of the Bible and its different revisions.
English Catholic History since 1550
A collaborative effort of Catholic local history societies with various documents on English Catholic History in the British Isles since the Reformation.
History of Catholicism in Britain
A collection of open source Wikipedia articles on the history of the Catholic Church in the United Kingdom.
Religion: The Roman Catholic Church
General article from the Peelweb.
The Catholic Historian's Handbook 1829-1965
A list of sources for British students of modern Catholic History.