Leviticus 7:19

And, the flesh that toucheth anything unclean, shall not be eaten, in fire, shall it be consumed, - but, as for the other flesh, any one who is clean, may eat flesh.

Leviticus 11:24-39

and, for these, shall ye count yourselves unclean - whosoever toucheth the carcase of them shall be unclean until the evening;

Numbers 19:11-16

He that toucheth the dead, even any human person, shall be unclean seven days.

Luke 11:41

Notwithstanding, as to the things within, give alms, and lo! everything, is, pure unto you.

Acts 10:15-16

And a voice came again, a second time, unto him - What things, God, hath cleansed, be not, thou, making common.

Acts 10:28

And said unto the - Ye, well know, how unlawful it is, for, a Jew, to be joining himself or coming in unto one of another race. And yet, unto me, hath God pointed out that I should be calling no man, common or unclean.

Romans 14:14

I know and am persuaded in the Lord Jesus - that, nothing, is profane of itself, - save to him who reckoneth anything to be profane, unto that man, it is profane,

Romans 14:20

Do not, for the sake of food, be throwing down the work of God! All things, indeed, are pure; but, ill, is it for the man who with occasion of stumbling doth eat, -

2 Corinthians 6:17

Wherefore come ye forth out of their midst, and be separated, - saith the Lord, - and, one impure, do not touch; and, I, will give you welcome,

Titus 1:15

All things, are pure, unto the pure, but, unto the polluted and faithless, nothing, is pure, but polluted are both their mind and conscience;

Treasury of Scripture Knowledge

Summary

And the flesh that toucheth any unclean thing shall not be eaten; it shall be burnt with fire: and as for the flesh, all that be clean shall eat thereof.

Bible References

General references

Leviticus 11:24
and, for these, shall ye count yourselves unclean - whosoever toucheth the carcase of them shall be unclean until the evening;
Numbers 19:11
He that toucheth the dead, even any human person, shall be unclean seven days.
Luke 11:41
Notwithstanding, as to the things within, give alms, and lo! everything, is, pure unto you.
Acts 10:15
And a voice came again, a second time, unto him - What things, God, hath cleansed, be not, thou, making common.
Romans 14:14
I know and am persuaded in the Lord Jesus - that, nothing, is profane of itself, - save to him who reckoneth anything to be profane, unto that man, it is profane,
2 Corinthians 6:17
Wherefore come ye forth out of their midst, and be separated, - saith the Lord, - and, one impure, do not touch; and, I, will give you welcome,
Titus 1:15
All things, are pure, unto the pure, but, unto the polluted and faithless, nothing, is pure, but polluted are both their mind and conscience;