Columbia subject headings:
Harvard subject headings:
Emperors--Japan--Handbooks, manuals, etc.
Japan--Court and courtiers--Handbooks, manuals, etc.
Nobility--Japan--Handbooks, manuals, etc.
Princeton subject headings:
Emperors--Japan--Handbooks, manuals, etc.
Japan--Court and courtiers--Handbooks, manuals, etc.
Nobility--Japan--Handbooks, manuals, etc.