Exodus
Chapter
Exodus relates the history of the Israelites from after the death of Joseph to the erection of the Tabernacle by Moses. The book includes an account of the wanderings in the wilderness of Sinai and the giving of the Law to the nation.
Exodus 34
34:22 And thou shalt observe the feast of weeks, of the firstfruits of wheat harvest, and the feast of ingathering at the year's end.