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  • Unam Sanctam: (Latin the One Holy , i.e. Church ), the Bull on papal ...
  • Unclean and Clean: The distinction between legal and ceremonial, as opposed to ...
  • Unction, Extreme: A sacrament of the New Law instituted by Christ to give ...
  • Ungava: A Canadian territory lying north of the Province of Quebec, ...
  • Uniformity Acts: These statutes, passed at different times, were vain efforts ...
  • Unigenitus: A celebrated Apostolic Constitution of Clement XI, ...
  • Union of Brest: Brest -- in Russian, Brest-Litovski; in Polish, Brzesc; in the ...
  • Union of Christendom: The Catholic Church is by far the largest, the most ...
  • Unions of Prayer: A tendency to form unions of prayer among the faithful has ...
  • Unitarians: A Liberal Protestant sect which holds as it distinctive tenet ...
  • Unitas Fratrum: (MORAVIAN BRETHREN, or UNITAS FRATRUM). DEFINITION AND ...
  • United States of America, The: BOUNDARIES AND AREA On the east the boundary is formed by the ...
  • Unitive Way: The word state is used in various senses by theologians and ...
  • Unity: The marks of the Church are certain unmistakeable signs, or ...
  • Universalists: A Liberal Protestant sect -- found chiefly in North America -- ...
  • Universals: The name refers on the one hand to the inclination towards ...
  • Universe: Universe (or "world") is here taken in the astronomical sense, ...
  • Universe, Relation of God to the: 1. Essential Dependence of the Universe on God (Creation and ...
  • Universities: The principal Catholic foundations have been treated in ...
  • University College (Dublin): A constitutional college of the National University of ...
  • Unjust Aggressor: According to the accepted teaching of theologians, it is ...
  • Unyanyembe: Vicariate apostolic in German East Africa, separated from ...

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Catholic EncyclopediaThe Catholic Encyclopedia is the most comprehensive resource on Catholic teaching, history, and information ever gathered in all of human history. This easy-to-search online version was originally printed in fifteen hardcopy volumes.

Designed to present its readers with the full body of Catholic teaching, the Encyclopedia contains not only precise statements of what the Church has defined, but also an impartial record of different views of acknowledged authority on all disputed questions, national, political or factional. In the determination of the truth the most recent and acknowledged scientific methods are employed, and the results of the latest research in theology, philosophy, history, apologetics, archaeology, and other sciences are given careful consideration.

No one who is interested in human history, past and present, can ignore the Catholic Church, either as an institution which has been the central figure in the civilized world for nearly two thousand years, decisively affecting its destinies, religious, literary, scientific, social and political, or as an existing power whose influence and activity extend to every part of the globe. In the past century the Church has grown both extensively and intensively among English-speaking peoples. Their living interests demand that they should have the means of informing themselves about this vast institution, which, whether they are Catholics or not, affects their fortunes and their destiny.

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Copyright © Catholic Encyclopedia. Robert Appleton Company New York, NY. Volume 1: 1907; Volume 2: 1907; Volume 3: 1908; Volume 4: 1908; Volume 5: 1909; Volume 6: 1909; Volume 7: 1910; Volume 8: 1910; Volume 9: 1910; Volume 10: 1911; Volume 11: - 1911; Volume 12: - 1911; Volume 13: - 1912; Volume 14: 1912; Volume 15: 1912

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