See this legally free ebook:

  • Theory and practice of the confessional: a guide in the administration of the sacrament of penance, by Caspar Erich Schieler (New York : Benziger Brothers, 1905). With Imprimatur. Available at Internet Archive with a second copy here and at Open Archive.

On the Feast of St. Alphonsus De Liguori in the Extraordinary Form of the Roman Rite. For more legally free ebooks, you may access the List of Free eBooks (Arranged by Title) and the List of Free eBooks (Grouped by Subject). Blessed be God in His angels and in His saints!