Esperanto
Gottfried_Leibniz
J._R._R._Tolkien
Wilhelm_Ostwald
Leo_Tolstoy
George_Orwell
René_Descartes
Jîn-chō_giân-gú
Goân-chó͘_Ìn-Au_giân-gí
Václav_Havel
George_Soros
Interlingua
Ido-gí
Volapük
Ki-pún_Eng-gí
Kńg-chi̍h-ōe
Nitobe_Inazô
Na'vi-gí
Tâi-oân_ESP_Hia̍p-hōe
Interlingue
Lingua_Franca_Nova
Wladimir_Köppen