Luke 6:1

Now it happened that on a Sabbath he went through the grain fields, and his disciples were picking and eating the heads of grain, rubbing [them] in [their] hands.

Deuteronomy 23:25

"When you come into the standing grain of your neighbor, then you may pluck ears with your hand, but you may not {swing} a sickle among the standing grain of your neighbor."

Matthew 12:1-8

At that time Jesus went through the grain fields on the Sabbath. And his disciples were hungry, and they began to pluck off heads of grain and eat [them].

Mark 2:23-28

And it happened that he was going through the grain fields on the Sabbath, and his disciples began to make [their] way [while] plucking off the heads of grain.

Exodus 12:15

You will eat unleavened bread for seven days. Surely on the first day you shall remove yeast from your houses, because anyone [who] eats [food with] yeast from the first day until the seventh day--that person will be cut off from Israel.

Leviticus 23:7

On the first day [there] shall be a holy assembly for you; you shall not do {any regular work}.

Leviticus 23:10-11

"Speak to the {Israelites}, and say to them, 'When you come to the land that I [am about] to give to you and you reap its harvest, then you shall bring a sheaf of the firstfruit of your harvest to the priest.

Leviticus 23:15

" 'And you shall count for yourselves {from the day after} the Sabbath, from the day of your bringing the wave offering's sheaf--[there] shall be seven full weeks.

Deuteronomy 16:9

"You shall count [off] seven weeks for you; {from the time you begin to harvest the standing grain} you shall begin to count seven weeks.

Treasury of Scripture Knowledge

Summary

And it came to pass on the second sabbath after the first, that he went through the corn fields; and his disciples plucked the ears of corn, and did eat, rubbing them in their hands.

Bible References

The second

Exodus 12:15
You will eat unleavened bread for seven days. Surely on the first day you shall remove yeast from your houses, because anyone [who] eats [food with] yeast from the first day until the seventh day--that person will be cut off from Israel.
Leviticus 23:7
On the first day [there] shall be a holy assembly for you; you shall not do {any regular work}.
Deuteronomy 16:9
"You shall count [off] seven weeks for you; {from the time you begin to harvest the standing grain} you shall begin to count seven weeks.

That

Matthew 12:1
At that time Jesus went through the grain fields on the Sabbath. And his disciples were hungry, and they began to pluck off heads of grain and eat [them].
Mark 2:23
And it happened that he was going through the grain fields on the Sabbath, and his disciples began to make [their] way [while] plucking off the heads of grain.

And his

Deuteronomy 23:25
"When you come into the standing grain of your neighbor, then you may pluck ears with your hand, but you may not {swing} a sickle among the standing grain of your neighbor."