See this legally free ebook:
- The Visible Unity of the Catholic Church Maintained against Opposite Theories: with an Explanation of Certain Passages in Ecclesiastical History Erroneously Appealed to in their Support, by M. J. Rhodes (London: Longmans, Green, and Co., 1870). With Imprimatur. Volume 1 of 2 available at Internet Archive and Open Library. Volume 2 of 2 available at Internet Archive.