I was surprised that the GDC Vault archives didn't have a convenient list of every GDC classic game postmortem presentation there ever was.

So I collected them all in a list. I hope it's useful to someone else as well:

• Prince of Persia
• Raid on Bungeling Bay
• Populous
• Pitfall
• Pac-Man
• Out of This World
• Marble Madness
• Maniac Mansion
• Elite
• Doom
• Bejeweled
• Harvest Moon
• Gauntlet
• Fallout
• Alone in the Dark
• Goldeneye 007
• Ultima Online
• Meridian 59
• X-COM: UFO
• Pinball Construction Set
• Myst
• Crystal Castles

There are other interesting presentations as free content: http://www.gdcvault.com/free