This is the place:
Book of Mormon
Contradictions - (Primarily between) the Book of Mormon and the Doctrine and Covenants
Doctrine and Covenants
Pearl of Great Price
Searched In Vain - on the difficulty of finding any reference to homosexuality in the Book of Mormon, D&C, and Pearl of Great Price, as well as brief discussion of Biblical condemnation of homosexuality.
Homosexuality and Scripture From a Latter-Day Saint Perspective By Alan David Lach, 1988 - Sample chapter headings: An Analysis of the Principal References to Homosexuality in the Bible, Cultural Attitudes at Variance, The Gospel and the Individual Solution, Contemporary Revelation and Homosexuality.
The Mormon Classics Library - "rare and historic texts."
Mormon Scripture Concordance Online - Search the standard works (including previous versions), Journal of Discourses, History of the Church, more.
Religion and Sacred Texts Links - links to online versions of the sacred texts of the major world religions.