Columbia subject headings:
Talmud--Commentaries--Study and teaching.
Tosafists.
Tosafot--Study and teaching.
Harvard subject headings:
Talmud--Commentaries--Study and teaching.
Tosafists.
Tosafot--Study and teaching.
Princeton subject headings:
Talmud--Commentaries--Study and teaching.
Tosafists.
Tosafot--Study and teaching.