See this legally free ebook:

  • History of the Church, Volume III, by the Rev. Dr. John Alzog [Johannes Baptist Alzog, 1808-1878], translated, with additions, from the 9th German edition, by Rev. Dr. F. J. (Francis Joseph), Pabisch 1825-1879 and Right Rev. Thomas [Sebastian] Byrne (New York, Cincinnati, Chicago: Benziger Brothers, 1912). With Imprimatur. Available in pdf, epub, mobi and other formats, and may be read online, at Internet Archive.
    • (N.B.: This volume deals with the “Third Period. From the Western Schism of Luther down to Our Times (1517-1878)” according to the Table of Contents—which is itself so thorough as to be a historical summary on its own.)

See also these related texts:

  • A Defence of Catholic Principles in a Letter to a Protestant Clergyman; to which is added, an Appeal to the Protestant Public, by the Servant of God Rev. Demetrius A. Gallitzin [born Prince Dimitri Dmitrievich Gallitzin, 1770-1840],
    • The text, together same author’s Letter to a Protestant Friend on the Holy Scriptures , is reprinted in the volume The Writings of Demetrius Augustin Gallitzin (Fitzwilliam, NH: Loreto Publications, 2011). The printed book may be purchased on this page of Loreto Publications, and on this page of Sunrise Marian Distribution.
      • [Note: For the support of faithful Catholic publishers, we encourage all readers to purchase the said book. (The Project earns no commission from any such purchase.) Nonetheless, for those who are unable to do so for just reasons, or would like electronic texts, see the following links below.]
    • The ebook of the fourth edition, corrected and enlarged with ther permission of the author (New York: Catholic Publication Society, 1880) may be read online, and is available in pdf, mobi, epub, and other formats, at Internet Archive.
    • An earlier impression of the same edition (New York: Catholic Publication Society, 1837) is available at Google Books and Google Play Books.
    • Another impression of the same edition (Baltimore: Lucas Brothers, 1837) is available at Internet Archive and Google Play Books.
    • The ebook of the third edition (Dublin: D. Wogan, 1823) is available at Google Play Books . [Note: This is a very poorly scanned copy of the third edition].
    • A still earlier edition (Pittsburgh: S. Engles, 1816) is available at Internet Archive.
  • Disunion and Reunion, by W.J. [ William Joseph] Madden [d. 1905] (London: Burns & Oates; New York, Cincinnati, Chicago: Benziger Brothers, 1897). Available in pdf, epub, mobi and other formats, and may be read online, at Internet Archive with a second copy at Internet Archive.
  • The Path which Led a Protestant Lawyer to the Catholic Church, by Peter H. Burnet (New York, London: D. Appleton and Company, 1860). May be read online, and available in pdf, epub, kindle/mobi, djvu, txt, and Daisy formats, at Internet Archive and Open Library, with a 2nd (inferior) copy at Open Library and Internet Archive; and at Hathi Trust Digital Library. Another edition (New York, Benziger Brothers, 1871 [c1859]) is available at Hathi Trust Digital Library.
    • [N.B., This work provides a proof of the Catholic Faith using the method of legal investigation. The summary by the New York Times (10 March 1860) states that the author “resolved… to pursue the investigation [of Catholic and Protestant claims] for himself, which he did for about a year and a half, the result being his full conversion to the Roman Catholic faith.”]

On the anniversary of the launching of the Protestant Heresies, remembered as Reformation Day by separated brethren. For other texts and ebooks, you may access the List of Free eBooks (Arranged by Title), the List of Free eBooks (Grouped by Subject), the List of Worth-It Catholic Books & eBooks, and the main page of the Catholic eBooks Project.

O Mary, mother of mercy and refuge of sinners, we beseech thee, be pleased to look with pitiful eyes upon poor heretics and schismatics… miserably enfolded in the darkness of ignorance and sin, that they may clearly know that the Holy Catholic and Apostolic Roman Church is the one true Church of Jesus Christ, outside of which neither holiness nor salvation can be found… (Text excerpt from Catholic News Agency)