Isaiah 22:22
And the key of the house of David will I lay on his shoulder; so he shall open, and none shall shut; and he shall shut, and none shall open.
Nave's Topical Index—AKJV

Matthew 16:19
And I will give to you the keys of the kingdom of heaven: and whatever you shall bind on earth shall be bound in heaven: and whatever you shall loose on earth shall be loosed in heaven.
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Revelation 1:18
I am he that lives, and was dead; and, behold, I am alive for ever more, Amen; and have the keys of hell and of death.
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Revelation 3:7
And to the angel of the church in Philadelphia write; These things said he that is holy, he that is true, he that has the key of David, he that opens, and no man shuts; and shuts, and no man opens;
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Revelation 9:1
And the fifth angel sounded, and I saw a star fall from heaven to the earth: and to him was given the key of the bottomless pit.
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Revelation 20:1
And I saw an angel come down from heaven, having the key of the bottomless pit and a great chain in his hand.
Nave's Topical Index—AKJV