Columbia subject headings:
Harvard subject headings:
Catholics--Japan--Gunma-ken.
Gunma-ken (Japan)--Church history--Sources.
Persecution--Japan--Gunma-ken--History--Sources.
Princeton subject headings:
Catholics--Japan--Gunma-ken.
Gunma-ken (Japan)--Church history--Sources.
Persecution--Japan--Gunma-ken--History--Sources.