“Human Solidarity: A Thomistic Perspective”, by Brendan O’Connor (2012). The excerpt is available in pdf format on this page of the University of Navarra, from: Excerpta e dissertationibus in Sacra Theologia, vol.59, pág. 1-413.
“The Literal Sense and the Spiritual Understanding of Scripture according to St. Thomas Aquinas” (“Sens dosłowny i sens duchowy rozumienia Pisma Świętego według św. Tomasza z Akwinu”), by the Dr. Rev. Ignacio M. Manresa Lamarca, Biblica et Patristica Thoruniensa, Vol. 10, No. 3 (2017): pp. 341–373. Available in pdf format through this page of Biblica et Patristica Thoruniensa, Vol. 10, No. 3 at the Akademicka Platforma Czasopism, and at Index Copernicus.
“And Jesus answering, said to them: You err, not knowing the Scriptures, nor the power of God. For in the resurrection they shall neither marry, nor be given in marriage: but shall be as the angels of God in heaven. But concerning the resurrection of the dead, have you not read that which was spoken by God, saying to you: I am the God of Abraham, and the God of Isaac, and the God of Jacob: He is not the God of the dead, but of the living.” (Gospel according to St. Matthew xxii, 29-32)
See also the related texts on the page Music, as well as the following:
Music: First Year, by Justine Ward and Elizabeth W. Perkins (Washington, D. C.: Catholic Education Press, 1920). Part of The Catholic Education Series. Available in pdf format on this page of Musica Sacra.
My Ideal, Jesus, Son of Mary; According to the Spirit of William Joseph Chaminade, by Fr. Emile Neubert, S.M., S.T.D., translated under the author’s supervision (Missouri: Maryhurst Press, 1953). Reset and published in 2014 by Academy of the Immaculate. Available in pdf format on this page of Militia Immaculatae.
The text states: “This e-book is supplied without DRM. You may freely share this file with others, but may not change it in any way. Print books are available at www.academyoftheimmaculate.com. If you have profited from this e-book, please prayerfully consider donating at our website.”
Life of Don Bosco, Founder of the Salesian Society, 2nd edition, by J.M. Villefranche, translated by Lady Martin (London: Burns & Oates, Limited; New York: Catholic Publication Society). May be read online and available in pdf format at Google Books.
Patrology: The Lives and Works of the Fathers of the Church, by Professor Otto Bardenhewer, D.D., Ph.D., translated from the 2nd edition by Professor Thomas Joseph Shahan, D.D. (Freiburg im Breisgau; St. Louis, Mo.; Karlsruhe; Munich; Strassburg; Vienna: B. Herder, 1908). With Imprimatur, and with the approbation and recommendation of various archbishops and bishops. May be read online, and available in pdf, mobi, epub and other formats, at Open Library and Internet Archive, with a 2nd copy at Internet Archive, a 3rd copy at Internet Archive, and a 4th copy at Internet Archive.
The Secret of Sanctity, according to St. Francis de Sales and Father Crasset, S.J., translated by Ella McMahon (New York, Cincinnati, Chicago: Benziger Brothers, 1892). With Imprimatur. Available in pdf format on this page of FishEaters. Also available at HathiTrust Digital Library. May be read online, and available in pdf, mobi, epub and other formats at Open Library and Internet Archive.
“Owe no man any thing, but to love one another: for he that loveth his neighbour, hath fulfilled the law. For thou shalt not commit adultery: Thou shalt not kill: Thou shalt not steal: Thou shalt not bear false witness: Thou shalt not covet: and if there be any other commandment, it is comprised in this word: Thou shalt love thy neighbour as thyself. The love of our neighbour worketh no evil. Love, therefore, is the fulfilling of the law.” (Romans xiii, 8-10)
“Moral Absolutes: A Critique of the View of Joseph Fuchs, S.J.”, by Professor Germain Grisez, Ph.D., Anthropos: Rivista di Studi sulla Persona e la Famiglia, Vol. 1, No. 2 (October 1985): pp. 155-201. Available in pdf format through this page of The Way of the Lord Jesus.
St. Polycarp, Bishop of Smyrna, by Blomfield Jackson (London, Brighton: Society for Promoting Christian Knowledge; New York: E. & J. B. Young, 1898). May be read online, and is available in pdf, mobi, epub, and other formats at Internet Archive with a 2nd copy at Internet Archive. [This work does not appear to have been written by a Catholic Christian, but it provides the life and works of a great early Catholic of the one true Church.]