Columbia subject headings:
Pilpul.
Talmud. Pesaḥim--Commentaries.
Talmud. Zevaḥim--Commentaries.
Harvard subject headings:
Pilpul.
Talmud. Pesaḥim--Commentaries.
Talmud. Zevaḥim--Commentaries.
Princeton subject headings:
Pilpul.
Talmud. Pesaḥim--Commentaries.
Talmud. Zevaḥim--Commentaries.