Legal midrashim
מכילתא דרבי ישמעאל
Early third-century midrashic collection on Exodus.
ספרא
Midrash on the book of Leviticus from the school of Rabbi Akiva.
ספרי במדבר
Midrash on the Book of Numbers.
ספרי דברים
Midrash on the Book of Deuteronomy.