Revelation 1:11
Saying, I am Alpha and Omega, the first and the last: and, What you see, write in a book, and send it to the seven churches which are in Asia; to Ephesus, and to Smyrna, and to Pergamos, and to Thyatira, and to Sardis, and to Philadelphia, and to Laodicea.
Nave's Topical Index—AKJV

Revelation 3:1-4
And to the angel of the church in Sardis write; These things said he that has the seven Spirits of God, and the seven stars; I know your works, that you have a name that you live, and are dead.
Nave's Topical Index—AKJV