In Sifra he often quotes Rashi and Isaac ben Melchizedek .
Hillel wrote the commentary Sifre ve Sifra Perush Rabbenu to Midrash , being a commentary on Sifrei and Sifra .
In Sifra Hillel often quotes Rashi and Isaac ben Melchizedek .
Hillel wrote the commentary Sifre ve Sifra Perush Rabbenu to Midrash , being a commentary on Sifrei and Sifra .