Louis Finkelstein’s edition of the classical Tannaitic Halakhic Midrash on the Book of Leviticus, named Sifra or Torat Kohanim, includes five volumes: Vol.I- Introduction; Vol.II- Text of Sifra according to Vatican Manuscript Assemani 66, with brief commentary; Vol.III- Variants from other manuscripts, early printed editions and quotations by medieval authorities; Vol.IV- long commentary; Vol.V(printed posthumously)- consists of two parts: Indices to Vols. I-IV and Selected Studies in Midrash Halakha, articles written by Prof. Louis Finkelstein in Hebrew and English.