Here are some of his most notable works:
* The English Catholic Reformation, 1558-1642: This is considered his magnum opus, a detailed and scholarly account of the Catholic Church's revival in England during the Reformation period.
* The Other Face of Catholicism: A collection of essays exploring various aspects of Catholicism, from its historical development to its contemporary challenges.
* Lord Acton and His Circle: A biography of the influential historian Lord Acton, focusing on his role in shaping Catholic intellectual life.
* The Papacy in the Modern World: An overview of the Papacy from the Renaissance to the present day, with a particular emphasis on its political and cultural influence.
* The Jesuits: A Concise History: A brief but informative account of the history of the Jesuit Order, highlighting its major contributions and controversies.
Caramanica also authored numerous articles and essays on various historical topics, including the English Civil War, the Enlightenment, and the relationship between religion and politics.
His work is characterized by meticulous research, deep historical knowledge, and a clear and engaging writing style. Caramanica's contributions to the understanding of Catholic history have been widely recognized, and his books remain valuable resources for scholars and students alike.