Yvain is one of Less Wrong's best and most prolific writers. I suspect many Less Wrongers haven't read his posts. Here's an index of Yvain's articles (not including meta posts, ranked by upvotes (like on my post index):
- Generalizing from One Example (176)
- Diseased Thinking: Dissolving Questions about Disease (154)
- Eight Short Studies on Excuses (137)
- Confidence Levels Inside and Outside an Argument (97)
- The Least Convenient Possible World (96)
- Intellectual Hipsters and Metacontrarianism (94)
- The Apologist and the Revolutionary (92)
- Are Wireheads Happy? (89)
- Doing Your Good Deed for the Day (85)
- Efficient Charity: Do Unto Others... (78)
- Defense Against the Dark Arts: Case Study #1 (72)
- How to Not Lose an Argument (71)
- A Parable of Obsolete Ideologies (71)
- Extreme Rationality: It's Not That Great (70)
- Shut Up and Guess (64)
- Simultaneously Right and Wrong (62)
- Beware Trivial Inconveniences (61)
- The Trouble with 'Good' (60)
- That Other Kind of Status (57)
- Never Leave Your Room (54)
- Guilt: Another Gift Nobody Wants (52)
- Missing the Trees for the Forest (50)
- Techniques for Probability Estimates (50)
- The Mystery of the Haunted Rationalist (50)
- Offense Versus Harm Minimization (49)
- The Power of Positivist Thinking (46)
- When Truth Isn't Enough (44)
- Book Review: The Root of Thought (41)
- Conflicts Between Mental Subagents: Expanding Wei Dai's Master-Slave Model (40)
- Diplomacy as a Game Theory Laboratory (39)
- Typical Mind and Politics (39)
- The Skeptic's Trilemma (37)
- The 'Spot the Fakes' Test (36)
- Blue- and Yellow-Tinted Choices (36)
- Applied Picoeconomics (36)
- Antagonizing Opioid Receptors for (Prevention of) Fun and Profit (34)
- What I Tell You Three Times is True (33)
- Where's Your Sense of Mystery? (30)
- Would Your Real Preferences Please Stand Up? (30)
- Crowley on Religious Experience (29)
- Solutions to Political Problems as Counterfactuals (28)
- Why Real Men Wear Pink (28)
- Rationalist Poetry Fans, Unite! (27)
- Why Support the Underdog? (27)
- The Zombie Preacher of Somerset (24)
- Are You a Solar Deity? (24)
- The Implicit Association Test (23)
- More Thought on Assertions (22)
- Fight Biases, or Route Around Them? (22)
- Bogus Pipeline, Bona Fide Pipeline (19)
- Help, Help, I'm Being Oppressed! (19)
- It's Not Like Anything to Be a Bat (12)
- Framing Effects in Anthropology (1)
Well, in theory you could use http://lesswrong.com/user/Yvain/submitted/ but that shows a lot of context and doesn't sort by anything except date. It also mixes Discussion, Meetup, and Articles.