Constantine of Kostenets (died after 1431), Bulgarian historian and biographer of Stefan Lazarević
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See Saints Cyril and Methodius for St. Cyril, born Constantine, 9th-century Byzantine Greek scholar of Thessaloniki
philosopher | Constantine | Constantine the Great | Grand Duke Constantine Pavlovich of Russia | Constantine, Algeria | Larry Constantine | Charles Taylor (philosopher) | John Fiske (philosopher) | Harry Potter and the Philosopher's Stone | Constantine VII | Constantine I of Greece | Constantine II (emperor) | Constantine II | Susannah Constantine | Learie Constantine | Constantine II of Greece | Michael Constantine | Constantine P. Cavafy | Constantine, Michigan | Niš Constantine the Great Airport | Eddie Constantine | Constantine VIII | Constantine V | Constantine Scollen | Walter Kaufmann (philosopher) | Philosopher's stone | Philosopher | John Constantine | David Edmonds (philosopher) | Constantine Phipps, 2nd Baron Mulgrave |