See this legally free ebook:
- Handing on the Faith, by Rev. Fr. T. White (1964). Australian Catholic Truth Society No. 1423. May be read online and available in PDF format at Catholic Truth Society Pamphlets. Also available in PDF format on this page of Catholic Pamphlets.net. [This useful pamphlet suggests ways by which Catholic Christians may, through God’s grace, bring non-Catholics to the one true Church.]
On the Memorial of Saint Charbel Mahkluf, Saint Declan of Ardmore (in the Calendar of Ireland), and Saint Francis Solanus (in the Calendar of Argentina), who brought the true Faith of Christ to non-believers; and of Saint Christina of Bolsena, who witnessed to Christ even unto death. 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).
“The chief elements of this duty [as Christians] consist in professing openly and unflinchingly the Catholic doctrine, and in propagating it to the utmost of our power.” (Pope Leo XIII, Sapientiae Christianae)