Columbia subject headings:
Hankyū Gakuen Ikeda Bunko.
Information retrieval--Japan.
Information services--Japan.
Searching, Bibliographical--Japan.
Harvard subject headings:
Hankyū Gakuen Ikeda Bunko.
Information retrieval--Japan.
Information services--Japan.
Searching, Bibliographical--Japan.
Princeton subject headings:
Information retrieval--Japan.
Information services--Japan.
Searching, Bibliographical--Japan.