I hope to update this list to be more exhaustive in the future (particularly in regard to the Book of Mormon and the Pearl of Great Price), but I hope that for the time being this list will serve as a quick and useful reference for those engaging and witnessing to Latter-Day Saints/Mormons.
Book of Mormon:
1 Nephi 13:26-29, 32-35, 40 Plain and precious parts taken away from the gospel and the book of the Lamb.
1 Nephi 14:10 Those not part of Church of the Lamb of God belong to the devil’s Church
2 Nephi 2:25 “Adam fell that men might be; and men are, that they might have joy.”
2 Nephi 25:23 Saved by grace through faith, after all we can do.
2 Nephi 29:3-13 A Bible! A Bible!
3 Nephi 28:4 -12 Three Nephite apostles to never die.
Mosiah 27:25-26 All people must be born again, changed from a fallen state becoming His children.
Alma 7:9-10 Jesus to be born in Jerusalem.
Alma 11:28-29 Only one God.
Alma 11:34-37 People cannot be saved in their sins.
Alma 11:38-39 Jesus is the Eternal Father.
Alma 34:32-35 This life is the time to prepare to meet God.
Alma 41:8 The decrees of God are unalterable.
Moroni 8:18 God is unchangeable .
Moroni 10:2-6 Ask God if this record is not true.
Moroni 10:32-33 Christ’s grace is sufficient only for those who deny themselves of all ungodliness and love God with all their might mind and strength.
Doctrine and Covenants:
DC 6:26-31 Parts held back from Gospel.
DC 7 The Apostle John to never die.
DC 9:8 Burning in the bosom.
DC 10:63 Satan stirs up contention.
DC 11:28-30 Those that receive Christ become sons of God.
DC 20:27-28 Father, Son and Holy Ghost are one God.
DC 27:11 Adam is Michael.
DC 33:11-12 Acts 2:38 as the Gospel.
DC 39:1 Christ from eternity to eternity.
DC 39:6 The Gospel.
DC 42:18, 79 Murder/killing is unforgivable.
DC 45:1 Christ is creator of all.
DC 45:7 Christ is Alpha and Omega.
DC 45:8 Become sons of God.
DC 45:60-61 New Testament to be translated.
DC 45:63 Wars in own lands near.
DC 49:5 He that does not receive Christ is damned.
DC 62:1 Jesus is God.
DC 62:6 God does not lie.
DC 76:31-39 Sons of perdition are apostate Mormons.
DC 76:43-45 Cleansed of sin by keeping of commandments.
DC 76:55-59 Those of the First Resurrection will receive all things, they are gods , sons of God.
DC:70-112 Celestial, terrestrial and telestial kingdoms.
DC 78:15 Adam ondi ahman.
DC 78:16 God has no beginning.
DC 84:2-5, 31 *False prophecy about building a temple in Missouri in Joseph Smith’s generation.
DC 87:1-3, 6 *False prophecy of worldwide war that would destroy all nations which would begin in the United States.
DC 88:16-39 Celestial, terrestrial and telestial Kingdoms/glories.
DC 88:107 Saints made equal with God.
DC 89 Word of Wisdom (:2 not by commandment or restraint).
DC 91 Rejection of Apocrypha.
DC 93:11, 18 All things made by Christ.
DC 93:12-14 He received the fullness later.
DC 93:27-28 People to receive Heavenly Father’s fullness.
DC 93:23, 29 Humans pre-existed with God in the beginning.
DC 93:26 Jesus is the spirit of truth?.
DC 93:29-30 Intelligence is uncreated.
DC 93:33 Man is made from eternal elements.
DC 93:38-39 Children are born innocent but become sinful through traditions and Satan’s influence.
DC 107:1-20 Aaronic (Levitical) and Melchizedek priesthoods.
DC 107:16 Aaronic priests must be of the bloodline of Aaron.
DC 107:54 Adam named Michael the Archangel.
DC 115:34 Church of Christ becomes Church of Jesus Christ of Latter-day Saints.
DC 129:1-2 Angels are resurrected humans.
DC 129:4 How to determine the identity of a divine messenger.
DC 130:3 Father and Son do not dwell in the heart.
DC 130:8 God resides at a great Urim and Thummim.
DC 130:10 White stone to become a Urim and Thummim.
DC 130:22 Heavenly Father has a body of flesh and bones.
DC 131:2 Celestial marriage needed to get to highest Kingdom.
DC 131:7 All things are material, including spirit.
DC 132:15-18 Those who are not sealed for time and eternity will forever be single and become ministering angels.
DC 132:19-20 They shall be gods, above all (exaltation).
DC 132:27 Blasphemy of the Holy Ghost is murder after receiving the new and everlasting covenant.
DC 132:37 Abraham accounted righteous by polygamy and polyandry. Abraham, Isaac and Jacob are gods.
DC 132:61-61 Polygamy permitted up to ten virgins.
DC 132:65 God commanded Abraham to take Hagar to wife.
DC 135:1 Murder of Joseph and Hyrum Smith.
DC 135:3 Joseph Smith save for Christ has done the most for the salvation of man.
DC 135:4 Joseph going like a lamb to the slaughter, to die innocent.
DC 137:7-8 All who die without the Gospel, yet would have received it go to the celestial Kingdom.
DC 138:4 By the atonement and obedience to the principles of the Gospel one is saved.
DC 138:30-34 The Gospel is preached to those that died in their sins that they may receive it.
DC 138:57-59 Second chance after death.
Pearl of Great Price:
Abraham 3:2 Kolob.
Abraham 4+5 The Gods create/organise the heavens and the earth.
Joseph Smith—History 1:17-19 All the churches are wrong, their creeds are an abomination and their professors are all corrupt.