Exodus 12:1-28
And the LORD spoke to Moses and Aaron in the land of Egypt saying,
Nave's Topical Index—AKJV

Exodus 23:15
You shall keep the feast of unleavened bread: (you shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib; for in it you came out from Egypt: and none shall appear before me empty:)
Nave's Topical Index—AKJV