Theodore Roosevelt | Theodore Dreiser | Theodore Sturgeon | Theodore von Kármán | Theodore Roosevelt, Jr. | Theodore Parker | Theodore Bikel | Theodore | Theodore Roosevelt National Wildlife Refuge Complex | Théodore Botrel | Charles Theodore, Elector of Bavaria | Theodore Wirth | Theodore Ushev | Theodore Robinson | Theodore of Tarsus | Theodore Edgar McCarrick | Théodore Dubois | Theodore Roethke | Theodore of Mopsuestia | Théodore Géricault | Theodore Dru Alison Cockerell | Théodore Dézamy | Theodore C. Blegen | John Theodore of Bavaria | Charles Theodore | Theodore Ziolkowski | Theodore Winthrop | Theodore Thomas | Theodore Roosevelt National Park | Theodore of Amasea |
They were adopted immediately by Théodore Hersart de la Villemarqué (1815–1895) and Auguste Brizeux (1803–1858), whose works, especially the former's Barzaz Breiz, founded modern Breton literature.