In the Yahwist Source (Exod.
In the Yahwist and Deuteronomist a solemn assembly is to be held on the seventh day, but in the Holiness Code and in the secondary sources of the Priestly Code both the first and the seventh day of the Feast of Unleavened Bread are to be solemn assemblies.
A still more vital contrast occurs concerning the place of sacrificing the Passover; as enjoined in Deuteronomy this is to be by the males of the family at Jerusalem, whereas both in the presumably earlier Yahwist and in the later Priestly Code the whole household joins in the festival which can be celebrated wherever the Israelites are settled.
3 The so-called Yahwist Decalogue in xxxiv.
That the pre-Deuteronomic sources are to be identified with the Judaean (J, or Yahwist) and Ephraimite (E, or Elohist) strands of the Hexateuch is, however, not certain.