Exact Word Count

D&C 2:1
Behold, I will reveal unto you the Priesthood, by the hand of Elijah the prophet, before the coming of the great and dreadful day of the Lord.

D&C 110:14
Behold, the time has fully come, which was spoken of by the mouth of Malachi-- testifying that he [Elijah] should be sent, before the great and dreadful day of the Lord come--

D&C 110:16
Therefore, the keys of this dispensation are committed into your hands; and by this ye may know that the great and dreadful day of the Lord is near, even at the doors.

D&C 128:17
And again, in connection with this quotation I will give you a quotation from one of the prophets, who had his eye fixed on the restoration of the priesthood, the glories to be revealed in the last days, and in an especial manner this most glorious of all subjects belonging to the everlasting gospel, namely, the baptism for the dead; for Malachi says, last chapter, verses 5th and 6th: Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the Lord: And he shall turn the heart of the fathers to the children, and the heart of the children to their fathers, lest I come and smite the earth with a curse.

D&C 138:46
And Malachi, the prophet who testified of the coming of Elijah-- of whom also Moroni spake to the Prophet Joseph Smith, declaring that he should come before the ushering in of the great and dreadful day of the Lord-- were also there.