God's Sovereignty and the Church's Condition (Part Two)  
Is There a True Church?  
Unity and Division: The Blessing and the Curse (Part One)  

Bible Studies

The Second Commandment  

Essays

Empirical Selfishness  
The 75-Cent Screwdriver (Part Two)  
The Fifth Teacher (Part One)  
The Narcissism of Small Differences  
Unity and Division (Part One)  

Sermons

Differences of Opinion  
Differences of Opinion  
Is America a Christian Nation? (Part Three)  
Is America a Christian Nation? Summary (Part Two)  
Themes of I Corinthians (Part 2)  
Unity  (3)