Luke 6:1

Now it came about that on the Sabbath he was going through the fields of grain, and his disciples took the heads of the grain for food, crushing them in their hands.

Deuteronomy 23:25

When you go into your neighbour's field, you may take the heads of grain with your hand; but you may not put your blade to his grain.

Matthew 12:1-8

At that time Jesus went through the fields on the Sabbath day; and his disciples, being in need of food, were taking the heads of grain.

Mark 2:23-28

And it came about that on the Sabbath day he was going through the grain-fields; and while they were walking, his disciples took the heads of grain.

Exodus 12:15

For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.

Leviticus 23:7

On the first day you will have a holy meeting; you may do no sort of field-work.

Leviticus 23:10-11

Say to the children of Israel, When you have come to the land which I will give you, and have got in the grain from its fields, take some of the first-fruits of the grain to the priest;

Leviticus 23:15

And let seven full weeks be numbered from the day after the Sabbath, the day when you give the grain for the wave offering;

Deuteronomy 16:9

Let seven weeks be numbered from the first day when the grain is cut.

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
For seven days let your food be unleavened bread; from the first day no leaven is to be seen in your houses: whoever takes bread with leaven in it, from the first till the seventh day, will be cut off from Israel.
Leviticus 23:7
On the first day you will have a holy meeting; you may do no sort of field-work.
Deuteronomy 16:9
Let seven weeks be numbered from the first day when the grain is cut.

That

Matthew 12:1
At that time Jesus went through the fields on the Sabbath day; and his disciples, being in need of food, were taking the heads of grain.
Mark 2:23
And it came about that on the Sabbath day he was going through the grain-fields; and while they were walking, his disciples took the heads of grain.

And his

Deuteronomy 23:25
When you go into your neighbour's field, you may take the heads of grain with your hand; but you may not put your blade to his grain.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain