Columbia subject headings:
Harvard subject headings:
Fiefs--Japan--Bōsō Peninsular--Directories.
Land tenure--Japan--Bōsō Peninsula--Directories.
Local government--Japan--Bōsō Peninsula--Directories.
Princeton subject headings:
Fiefs--Japan--Bōsō Peninsula--Directories.
Land tenure--Japan--Bōsō Peninsula--Directories.
Local government--Japan--Bōsō Peninsula--Directories.