| 1. | Catholic Encyclopedia: Christian Democracy | | | Article from 1908 representing Christian democracy as the ensemble of Catholic doctrine, organization, and action in the field of popular social questions. www.newadvent.org |
| 2. | Graves de Communi Re | | | Encyclical of Pope Leo XIII, promulgated 18 January 1901, on the Christian Democracy name and movement. www.ewtn.com |
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