Papal Social Principles: A Guide and Digest

by Thomas J. Harte, C.Ss.R.
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  • ISBN: 978-1-998492-95-4 (pbk)
  • ISBN: 978-1-998492-96-1 (hc)
  • $21.95

  • Product Code: psp
  • Publication date: July 6, 2026
  • Pages: 222
  • Size: 5.5 x 8.5

    XIII Books — An Imprint of Arouca Press

    Papal Social Principles

    A Guide and Digest
    Thomas J. Harte, C.Ss.R., Ph.D.

    The present volume attempts to fulfill a long-felt need for some sort of English-language digest of papal social thought. More precisely, this is better described as a summary rather than a digest, for it is less concerned with reproducing exactly the words of the popes than with presenting their basic ideas as accurately as possible. It is intended as a supplement and guide to, but in no sense as a substitute for, the original statements of the popes. This last qualification cannot be too strongly emphasized.

    The approach used here is essentially document-centered. Only in a very broad sense is any effort made to organize the contents on a topical basis. All the major social pronouncements of the modern popes, from Leo XIII to Pius XII, are here classified according to general subject matter: for example, Rerum novarum is treated under the heading “economic life,” and Casti connubii under “family and education.” Each document is outlined and summarized in the writer’s own words.

    The principal social pronouncements of the popes comprise the basic framework of this study. Something more, however, has been attempted. Pope Pius XII has often made significant contributions to Catholic social thought through his radio addresses and his very frequent allocutions and sermons. A number of the major “non-encyclical” pronouncements of this pontiff are outlined here in the same way as encyclicals. Furthermore, a systematic effort is made to note all significant social statements of Pius XII, whether they appear in a major or in a relatively unimportant pronouncement. Reference is made to all such pertinent materials at appropriate places in the summarized texts.

    Key Themes

    • The moral authority of papal social teaching
    • The family, education, labor, property, and the State
    • The Church’s response to modern social and political errors
    • The continuity of Catholic social doctrine from Leo XIII to Pius XII
    • The importance of reading papal documents in their proper context

    Documents Treated

    • Rerum novarum and the condition of the working classes
    • Quadragesimo anno and social reconstruction
    • Libertas praestantissimum and human liberty
    • Casti connubii and Christian marriage
    • Major radio addresses and allocutions of Pope Pius XII

    Recommended For

    • Students of Catholic social teaching
    • Clergy, teachers, and catechists
    • Readers seeking a structured guide to modern papal doctrine
    • Study groups reading Leo XIII, Pius XI, or Pius XII
    • Those interested in the Catholic response to liberalism, socialism, and secularism

    Why This Edition Matters

    • It provides a clear map of the principal social pronouncements of the modern popes.
    • It preserves the document-centered method, avoiding the loss of context common to topical excerpts.
    • It gives special attention to the often-overlooked social teaching of Pope Pius XII.
    • It serves as a reliable companion to the original papal documents.
    Published under XIII Books, an imprint of Arouca Press dedicated to serious works in Catholic social, political, and philosophical thought.
    ❦ ✠ ❦
  • XIII Books — An Imprint of Arouca Press

    Table of Contents

    Papal Social Principles: A Guide and Digest
    ✠   Keys of Doctrine   ✠
    1. 1Introduction1
      • Scope of this study1
      • Principal Acts of the Holy See6
      • Moral Authority of Papal Pronouncements on Social Questions8
      • Organization of this volume14
    2. 2Introductory Encyclicals of Modern Pontiffs17
      • Inscrutabili [Evils of Society], Leo XIII (1878)17
      • E Supremi [Restoration of all things in Christ], Pius X (1903)21
      • Ad beatissimi [Appeal for peace], Benedict XV (1914)23
      • Ubi Arcano [Peace of Christ in the Kingdom of Christ], Pius XI (1922)26
      • Summi Pontificatus [Function of the State in the modern world], Pius XII (1939)29
    3. 3The Nature of Human Liberty33
      • Libertas praestantissimum [Human liberty], Leo XIII (1888)33
      • In plurimis [Abolition of slavery in Brazil], Leo XIII (1888)39
    4. 4The Family and Education44
      • Arcanum [Christian marriage], Leo XIII (1880)44
      • Casti connubii [Christian marriage], Pius XI (1930)47
      • Rappresentanti in terra, Pius XI (1929)56
    5. 5Economic Life63
      • Rerum novarum [Condition of the working classes], Leo XIII (1891)63
      • Fin dalla prima [Catholic social principles], Pius X (1903)69
      • Quadragesimo anno [Social reconstruction], Pius XI (1931)72
      • La solennità [Fiftieth anniversary of Rerum novarum], Pius XII (1941)82
    6. 6The Church85
      • Mystici Corporis [Mystical Body of Christ], Pius XII (1943)85
      • Mediator Dei [The Sacred Liturgy], Pius XII (1947)88
      • Vous avez voulu [The Church and history], Pius XII (1955)90
    7. 7General Theory of the State95
      • Diuturnum illud [Origin of civil authority], Leo XIII (1881)95
      • Immortale Dei [Christian constitution of States], Leo XIII (1885)98
      • Sapientiae christianae [Chief duties of Christian citizens], Leo XIII (1890)106
      • Quas primas [Kingship of Christ], Pius XI (1925)109
      • Benignitas et humanitas [True and false democracy], Pius XII (1944)113
    8. 8Practical Directives for Catholics in Particular Countries119
      • Longinqua oceani [Catholicity in the United States], Leo XIII (1895)119
      • Sertum laetitiae [To the Church in the United States], Pius XII (1939)121
      • Au milieu [Church and State in France], Leo XIII (1892)123
      • Singulari quadam [Catholic and interconfessional labor unions], Pius X (1912)127
      • Mit brennender Sorge [Church in Germany], Pius XI (1937)129
      • Non abbiamo bisogno [Persecution of the Church in Italy], Pius XI (1931)132
      • Firmissimam constantiam [The Church in Mexico], Pius XI (1937)134
    9. 9The International Problem140
      • Pacem Dei munus [Peace and Christian reconciliation], Benedict XV (1920)140
      • Nell’ alba [Toward a just and lasting peace], Pius XII (1941)142
      • Ci riesce [The international community and religious tolerance], Pius XII (1953)144
    10. 10False Solutions of World Problems149
      • Quod Apostolici muneris [Socialism, Communism, Nihilism], Leo XIII (1878)149
      • Divini Redemptoris [Atheistic Communism], Pius XI (1937)151
    11. 11Catholic Action and the Lay Apostolate158
      • Se a temperare [Magna Carta of Catholic Action], Pius XII (1940)158
      • De quelle consolation [The lay apostolate], Pius XII (1951)161
      • Questa grande [Women’s duties in social and political life], Pius XII (1945)164
    12. 12The Christian Life169
      • Exeunte iam anno [Right ordering of Christian life], Leo XIII (1888)169
      • Laetitiae sanctae [Rosary], Leo XIII (1893)171
      • Annum Sacrum [Consecration of the human race to the Sacred Heart], Leo XIII (1899)172
      • Tametsi [Christ the Redeemer], Leo XIII (1900)173
      • Graves de communi [Christian social action], Leo XIII (1901)174
      • Mirae caritatis [The Most Holy Eucharist], Leo XIII (1902)176
      • Il fermo proposito [Christian social action in Italy], Pius X (1905)177
      • Caritate Christi compulsi [The Sacred Heart and world problems], Pius XI (1932)179
      • Ingravescentibus malis [Peace through the Rosary], Pius XI (1937)180

    Back Matter

    • Appendix181
    • Bibliography189
    • Index193
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