Columbia subject headings:
Harvard subject headings:
Kokubungaku Kenkyū Shiryōkan--Library resources.
Kōjō, Isao, 1904-1980--Library.
Rare books--Japan--Tokyo.
Tokugawa family--Library.
Princeton subject headings:
Kokubungaku Kenkyū Shiryōkan--Library resources.
Kōjō, Isao, 1904-1980--Library.
Rare books--Japan--Tokyo.
Tokugawa family--Library.