I have just listed 22 lectures, mostly cassettes, some CDs and one DVD.
You can browse my auctions here:
http://shop.ebay.com/merchant/mcgroarty
Four Giants of Philosophy; Andrew Bernstein Objectivism
Law in Ancient Greece and Rome; John Lewis; Objectivism
Ideas and the Fall of Rome; John Lewis; Objectivism
Ayn Rand’s Fictional Characters I - Andrew Bernstein
How to be an Impassioned Valuer - Andrew Bernstein
Heroism in Modern American Literature- Andrew Bernstein
Achilles, the Tortoise and the Objectivity of Math
Objectivism for Beginners: Refresher - Andrew Bernstein
The Philosophy of Romantic Fiction - Andrew Bernstein
Understanding Objectivism - Leonard Peikoff
Advanced Seminars on Objectivism - I - Leonard Peikoff
Advanced Seminars on Objectivism - II - Leonard Peikoff
Friedrich Nietzsche: His Thought, Influence on Ayn Rand
Induction in Physics and Philosophy - Leonard Peikoff
Primacy of Consciousness vs the Objectivist Ethics
Principles of Grammar - Leonard Peikoff
Creationism Camouflage: “Intelligent Design” Deception
Mind vs Collectivism in Ayn Rand’s Novels - Bernstein
Villainy: The Nature of Evil - Andrew Bernstein
Kantianism vs Objectivism in The Fountainhead
Philosophic Basis of a Woman’s Right to Abortion
How to Spread Objectivism