Title: Parhae kogohak
Subjects: Antiquities, Tombs, History, Excavations (Archaeology), Histoire, Fouilles (Archéologie), Civilization
Places: Bohai (Kingdom), Korea, China, Korea (North), Corée, Corée du Nord, Asia, Japan, Russia (Federation), Primorskiĭ kraĭ
Time periods: To 935, Jusqu'à 935