Columbia subject headings:
Harvard subject headings:
Talmud. Shabbat VII-X--Commentaries.
Talmud. Shabbat VIII--Commentaries.
Princeton subject headings:
Hai ben Sherira, 939-1038.
Rabbis--Biography.
Talmud. Shabbat VII-X--Commentaries.
Talmud. Shabbat VIII--Commentaries.