The History of Heresies and Their Refutation by St Alphonsus M. Liguori. Unedited Reprint of 1857 edition. Some references in Latin, the rest of the book is in

This is a two volume set. This is volume 1Volume 1 covers heresies from the first to the sixteenth century, even touching briefly on the heresy of Islam. Mohamm

The ardent wish manifested by the Faithful for an acquaintance with the valuable writings of St. Liguori, induced me to undertake the translation of his History