Columbia subject headings:
Hiko Mountain Region (Japan)--History.
Hiko Mountain Region (Japan)--Officials and employees--Diaries.
Harvard subject headings:
Hiko Mountain Region (Japan)--History.
Hiko Mountain Region (Japan)--Officials and employees--Diaries.
Princeton subject headings:
Hiko Mountain Region (Japan)--History.
Hiko Mountain Region (Japan)--Officials and employees--Diaries.