Some great talks on Doctrines of the Gospel

Absolute Truth by President Spencer W. Kimball

Acquire and Use Knowledge by Richard G. Scott

And the Lord Called His People Zion by President Spencer W. Kimball

Answers to Life's Questions by Elder M. Russell Ballard

Appropriate Music In Our Lives by Jerold Ottley

Beauty for Ashes The Atonement. by Elder Bruce C. Hafen

Becoming People of Integrity by Ned C. Hill

Born of God by President Ezra Taft Benson

Building an eternal marriage and Family by following the counsel of the living prophets by Elder C. Scott Grow

Cast Not Away Therefore Your Confidence by Jeffrey R. Holland

Christ And The Creation by Bruce R. McConkie

Continuing Revelation by President James E. Faust

Do you Know How To Repent? by Elder Jay E. Jensen

Enjoy Every Day - Live this Day by Elder Larry W. Gibbons

For the Joy of Human Love by  Jeffrey R. Holland

Fourteen Fundamentals in Following the Prophet by President Ezra Taft Benson

Gifts of the Spirit by Elder Robert D. Hales

Go For It by Thomas S. Monson

Guide to Family Finance by Marvin J. Ashton

Heavenly Manifestation by Heber C. Hale

How Do I love Thee by Elder Jeffrey R. Holland

In the Strength of the Lord  ( The Power of the Atonement) by Elder David A. Bednar

Islam and Mormonism by Hugh Nibley

Leaders and Managers by Hugh Nibley

Life After Life by Elder Russell M. Nelson

Line Upon Line, Precept upon Precept by Elder David A. Bednar

Living on the Lord's Side of the Line by Sheri Dew

Making It To The Top by Robert H. Daines

Miracles by Elder Dallin H. Oaks

Missionary Keys by President Ezra T. Benson

My Friend, My Savior, My Lord, My God by Presidents of the church

Of Souls, Symbols and Sacraments by Jeffrey R. Holland

Pay Thy Debt and Live by President Ezra Taft Benson

Personal Revelation:  The Gift, the Test and the Promise by President Boyd K. Packer

Quest for Excellence by President Gordon B. Hinckley

Resurrection by Elder Dallin H. Oaks

Revelation by Dallin H. Oaks

Revelation in a Changing World by Elder Boyd K. Packer

Serious Questions, Serious Answers by Elder Richard G. Scott

Seven Deadly Heresies by Bruce R. McConkie

Stand Independent Above All Other Creatures by Bruce R. McConkie

The Creation by Elder Russell M. Nelson

The Dedication of a Lifetime by Elder Dallin H. Oaks

The Leaves of the Fig Tree are Showing Forth by Elder Benard B. Broadbank

Ten Ideas to Increase Your Spirituality by Joe J. Christensen

The fall of Man and His Redemption by Gerald N. Lund

The False Gods We Worship by President Spencer W. Kimball

The Gospel of Repentance by President Spencer W. Kimball

The Holy Ghost Glorifying Christ by Elder Neal A. Maxwell

The Joy of the Lord Is Your Strength by Truman G. Madsen

The King Follett Sermon by Joseph Smith, Jr. (1805-1844)

The Law of the Fast by Elder Sterling W. Sill

The Lifeline of Prayer by Elder James E. Faust

The Lord has a work for you to do by M. Russell Ballard

The Mystery of Life by Elder Boyd K. Packer

The Origin Of Man by the First Presidency (From Improvement Era, Nov. 1909, 75-81)

The Power of Self-Mastery by President James E. Faust

The Value of a Good Name by Elder L. Tom Perry

They're Not Really Happy by Elder Glenn L. Pace

To Be Spiritually Minded Is Life Eternal by Charles Didier

To Mothers in Zion President Ezra Taft Benson

Timing by Elder Dallin H. Oaks

What Do Kisses Mean by John Bytheway

What is True Repentance by President Spencer W. Kimball

What We Believe by Robert L. Millet

Zeal Without Knowledge by Hugh Nibley