Numbers 9:2
"Let the children of Israel also keep the passover at his appointed season."
Cross References (ranked by relevance)
Moreover Josiah kept a passover unto the LORD in Jerusalem: and they killed the passover on the fourteenth day of the first month.
In the fourteenth day of the first month at even is the LORD’s passover.
And the children of Israel encamped in Gilgal, and kept the passover on the fourteenth day of the month at even in the plains of Jericho.
And in the fourteenth day of the first month is the passover of the LORD.
Then came the day of unleavened bread, when the passover must be killed.
And the children of the captivity kept the passover upon the fourteenth day of the first month.
And the first day of unleavened bread, when they killed the passover, his disciples said unto him, Where wilt thou that we go and prepare that thou mayest eat the passover?