Esperanto
Gottfried_Leibniz
Ido-ngî
J._R._R._Tolkien
Lev_Tolstoy
George_Orwell
Interlingua
Volapük-ngî
George_Soros
Wilhelm_Ostwald
Louis_Couturat
Chhái-na̍p_Koet-chi_Phú-chhu_Ngî-ngièn_Thoi-péu-thòn
Interlingue
Pâ_Kîm