org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English An image of a seal of the imperial government of the Nguyễn Dynasty determination...
Domain Mark 1.0falsefalse English An image of a seal of the imperial government of the Nguyễn Dynasty taken from the book "Ấn chương trên Châu bản triều Nguyễn"...