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| Russian | English |
| Феолепт Филадельфийский | Theoleptus of Philadelphia (Greek Orthodox metropolitan of Philadelphia and theological polemicist and writer on Christian asceticism, who emerged as a central figure in the political and theological turmoil of his age) |
| Филадельфийские пиетисты | Philadelphian Pietists (Radical Pietists who identified themselves with the sixth church referred to in Revelation 3:7-13) |