Mark 9:4
"And there appeared unto them Elias with Moses: and they were talking with Jesus."
Cross References (ranked by relevance)
Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me.
For all the prophets and the law prophesied until John.
And beginning at Moses and all the prophets, he expounded unto them in all the scriptures the things concerning himself.
They answering said, John the Baptist; but some say, Elias; and others say, that one of the old prophets is risen again.
And I fell at his feet to worship him. And he said unto me, See thou do it not: I am thy fellowservant, and of thy brethren that have the testimony of Jesus: worship God: for the testimony of Jesus is the spirit of prophecy.
And he said unto them, These are the words which I spake unto you, while I was yet with you, that all things must be fulfilled, which were written in the law of Moses, and in the prophets, and in the psalms, concerning me.