Jewish Babylonian Talmud – Tract Baba Kama (The First Gate) – Rules concerning a goring ox, excavations on public and private premises, excavations made by partners, etc.
p. 106 CHAPTER V. RULES CONCERNING A GORING OX; EXCAVATIONS ON PUBLIC AND PRIVATE PREMISES; EXCAVATIONS MADE BY PARTNERS, ETC. MISHNA I.: Should an ox gore a cow and the new-born calf be found dead at her side, and it be not known whether she gave birth to it before the goring or by reason of the goring,