See this legally free ebook:
- Charity for the Suffering Souls: An Explanation of the Catholic Doctrine of Purgatory, by John A. Nageleisen (Cincinnati, Ohio: S. Rosenthal & Co., 1895). With Imprimatur, and bearing the approbation of multiple bishops. Available in various formats at Internet Archive.
On the Feast of Saint Nicholas of Tolentino 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). May the faithful departed, through the mercy of God, rest in peace.