by i Bulgaria
starttidspunkt: 2011
tidspunkt: 2019
emne for: Q23866783
emne for: Q24507631
emne for: Q24747364
emne for: Q87337536
emne for: Q24927898
emne for: Q112775875
emne for: 1911 Encyclopædia Britannica/Philippopolis
emne for: The New Student's Reference Work/Philippopolis