An easily accessible introduction to the basics of Heidegger's thought in 12 minutes.
Major Works
The Question Concerning Technology and Other Essays
Heidegger, Martin, and William Lovitt. The Question Concerning Technology, and Other Essays. New York :: HarperCollins Publishers, 2013.
Phenomenological Interpretations of Aristotle
Heidegger, Martin. Phenomenological Interpretations of Aristotle : Initiation into Phenomenological Research. Translated by Richard Rojcewicz. Bloomington, Ind: Indiana University Press, 2009.
Basic Writings: Martin Heidegger
Heidegger, Martin. Basic Writings: Martin Heidegger. Edited by David Farrell Krell. London: Routledge, 2010.
Plato’s Sophist
Heidegger, Martin, Richard Rojcewicz and Andre Schuwer. Plato's Sophist. Bloomington, Ind.: Indiana University Press, 2003.
Poetry, Language, Thought
Heidegger, Martin. Poetry, Language, Thought. Translated by Albert Hofstadter. New York: Perennical Classics, 2001.
An Introduction to Metaphysics
Heidegger, Martin. Introduction to Metaphysics. Translated by Gregory Fried and Richard Polt. New Haven: Yale University Press, 2000.
What Is Called Thinking?
Heidegger, Martin, and J. Glenn Gray. What Is Called Thinking? New York: Harper & Row, 1976.
Being and Time
Heidegger, Martin. Being and Time. Translated by John Macquarrie and Edward Robinson. Norwich: S.C.M. Press, 1962.