Romans 11:16

Now if the first-fruits be holy, so is the whole heap: and if the root be holy, so are the branches.

1 Corinthians 15:20-23

But now Christ is risen from the dead, and is become the first-fruits of them that slept:

James 1:18

who hath of his own will begotten us by the word of truth, that we might be a kind of first-fruits of his creatures.

Revelation 14:4

These are they who were not defiled with women; for they are virgins: these are they who follow the Lamb whithersoever He goeth: these were redeemed from among men, as the first-fruits unto God and the Lamb.

Treasury of Scripture Knowledge

Summary

Speak unto the children of Israel, and say unto them, When ye be come into the land which I give unto you, and shall reap the harvest thereof, then ye shall bring a sheaf of the firstfruits of your harvest unto the priest:

Bible References

The firstfruits

Romans 11:16
Now if the first-fruits be holy, so is the whole heap: and if the root be holy, so are the branches.
1 Corinthians 15:20
But now Christ is risen from the dead, and is become the first-fruits of them that slept:
James 1:18
who hath of his own will begotten us by the word of truth, that we might be a kind of first-fruits of his creatures.
Revelation 14:4
These are they who were not defiled with women; for they are virgins: these are they who follow the Lamb whithersoever He goeth: these were redeemed from among men, as the first-fruits unto God and the Lamb.