Daniel 2:41

{And just as} you saw the feet and the toes, {partly potter's clay} and {partly iron}, it will be a divided kingdom; and {some hardness} of the iron will be [in it], {just as} you have seen the iron mixed with the wet clay.

Daniel 2:33-35

its legs of iron, its feet, part of them of iron and part of them of clay.

Daniel 7:7

After this in the visions of the night I was looking and there was a fourth beast, terrifying and frightful and exceedingly strong, and {it had} {great iron teeth}, [and it was] devouring and crushing, and it stamped the remainder with its feet; and it was different from all [the other] beasts {that preceded it} {and it had ten horns}.

Daniel 7:24

And [as for] the ten horns [coming] from it, [from] this kingdom ten kings will arise, and another will arise after them. And he will be different from the earlier [ones], and he will subdue three kings.

Revelation 12:3

And another sign appeared in heaven, and behold, a great fiery red dragon, having seven heads and ten horns, and on his heads [were] seven royal headbands.

Revelation 13:1

And I saw coming up out of the sea a beast that had ten horns and seven heads, and on its horns ten royal headbands, and on its heads a blasphemous name.

Revelation 17:12

And the ten horns that you saw are ten kings, who have not yet received a kingdom, but they will receive authority as kings [for] one hour with the beast.

Treasury of Scripture Knowledge

Summary

And whereas thou sawest the feet and toes, part of potters' clay, and part of iron, the kingdom shall be divided; but there shall be in it of the strength of the iron, forasmuch as thou sawest the iron mixed with miry clay.

General references

Bible References

The feet

Daniel 2:33
its legs of iron, its feet, part of them of iron and part of them of clay.
Daniel 7:7
After this in the visions of the night I was looking and there was a fourth beast, terrifying and frightful and exceedingly strong, and {it had} {great iron teeth}, [and it was] devouring and crushing, and it stamped the remainder with its feet; and it was different from all [the other] beasts {that preceded it} {and it had ten horns}.
Revelation 12:3
And another sign appeared in heaven, and behold, a great fiery red dragon, having seven heads and ten horns, and on his heads [were] seven royal headbands.
Revelation 13:1
And I saw coming up out of the sea a beast that had ten horns and seven heads, and on its horns ten royal headbands, and on its heads a blasphemous name.
Revelation 17:12
And the ten horns that you saw are ten kings, who have not yet received a kingdom, but they will receive authority as kings [for] one hour with the beast.

General references

Daniel 2:33
its legs of iron, its feet, part of them of iron and part of them of clay.