**Author details**

Edward Collins Vacek S.J. Loyola University New Orleans, Louisiana, United States of America

\*Address all correspondence to: evacek@loyno.edu

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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*Evolution of Catholic Marriage Morality in the Twentieth Century from a Baby-Making...*

[9] The Code of Canon Law, 1983, http:// www.vatican.va/archive/ENG1104/\_

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[11] http://www.vatican.va/roman\_curia/ congregations/ccatheduc/documents/ rc\_con\_ccatheduc\_20051996\_profile\_

[12] http://www.vatican.va/roman\_curia/ congregations/ccatheduc/documents/ rc\_con\_ccatheduc\_20051996\_profile\_

[13] http://www.vatican.va/roman\_ curia//congregations/cfaith/documents/

[14] http://www.vatican.va/roman\_ curia//congregations/cfaith/documents/

[15] Donum Vitae [1987] http://www. vatican.va/roman\_curia/congregations/ cfaith/documents/rc\_con\_cfaith\_ doc\_19870222\_respect-for-human-

[16] Donum Vitae [1987] http://www. vatican.va/roman\_curia/congregations/ cfaith/documents/rc\_con\_cfaith\_ doc\_19870222\_respect-for-human-

[17] http://www.vatican.va/roman\_curia/ pontifical\_councils/family/documents/ rc\_pc\_family\_doc\_08121995\_human-

rc\_con\_cfaith\_doc\_19861001\_ homosexual-persons\_en.html.

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INDEX.HTM.

en.html.

en.html.

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[18] http://www.vatican.va/ roman\_curia/pontifical\_councils/ family/documents/rc\_pc\_family\_ doc\_20001109\_de-facto-unions\_

[10] http://www.vatican.va/ roman\_curia/congregations/ ccatheduc/documents/rc\_con\_

*DOI: http://dx.doi.org/10.5772/intechopen.95316*

[1] Familiaris Consortio, 1981, http:// www.vatican.va/holy\_father/john\_ paul\_ii/apost\_exhortations/documents/ hf\_jp-ii\_exh\_19811122\_familiaris-

[2] Familiaris Consortio, 1981, http:// www.vatican.va/holy\_father/john\_ paul\_ii/apost\_exhortations/documents/ hf\_jp-ii\_exh\_19811122\_familiaris-

[3] Familiaris Consortio, 1981, http:// www.vatican.va/holy\_father/john\_ paul\_ii/apost\_exhortations/documents/ hf\_jp-ii\_exh\_19811122\_familiaris-

[4] Educational Guidance in Human Love, 1983, http://www.vatican.va/ roman\_curia/congregations/ccatheduc/

[5] "Natural Family Planning," Origins: CNS Documentary Service 20 no. 31, January 10, 1991, 508, no. 6. Speech given on 14 December 1991, http:// www.vatican.va/holy\_father/john\_paul\_ ii/speeches/1990/december/documents/ hf\_jp-ii\_spe\_19901214\_fertilita\_it.html.

[6] John Paul II, "Message of his Holiness Pope John Paul II to the Director of the Centre for Research and Study on the Natural Regulation of Fertility," February 27, 1998, http://www. vatican.va/holy\_father/john\_paul\_ii/ speeches/1998/february/documents/hf\_ jp-ii\_spe\_19980227\_fertilidade\_en.html.

[7] "Letter to Families," http://www. vatican.va/content/john-paul-ii/en/ letters/1994/documents/hf\_jp-ii\_ let\_02021994\_families.html.

[8] http://www.vatican.va/content/ john-paul-ii/en/speeches/1999/january/ documents/hf\_jp-ii\_spe\_19990121\_

documents/rc\_con\_ccatheduc\_ doc\_19831101\_sexual-education\_

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*Evolution of Catholic Marriage Morality in the Twentieth Century from a Baby-Making... DOI: http://dx.doi.org/10.5772/intechopen.95316*
