Cross reference
Exodus 13:10
10 and thou hast kept this statute at its appointed season from days to days.
Exodus 12:14
14 `And this day hath become to you a memorial, and ye have kept it a feast to Jehovah to your generations; -- a statute age-during; ye keep it a feast.
Exodus 12:24-25
24 `And ye have observed this thing, for a statute to thee, and to thy sons -- unto the age;
25 and it hath been, when ye come in unto the land which Jehovah giveth to you, as He hath spoken, that ye have kept this service;
Exodus 23:15
15 the Feast of Unleavened things thou dost keep; seven days thou dost eat unleavened things, as I have commanded thee, at the time appointed `in' the month of Abib; for in it thou hast come forth out of Egypt, and ye do not appear `in' My presence empty;
Leviticus 23:6
6 and on the fifteenth day of this month `is' the feast of unleavened things to Jehovah; seven days unleavened things ye do eat;
Deuteronomy 16:3-4
3 `Thou dost not eat with it any fermented thing, seven days thou dost eat with it unleavened things, bread of affliction; for in haste thou hast come out of the land of Egypt; so that thou dost remember the day of thy coming out of the land of Egypt all days of thy life;
4 and there is not seen with thee leaven in all thy border seven days, and there doth not remain of the flesh which thou dost sacrifice at evening on the first day till morning.