Conversation so far:
What were some of Thomas Sowell's writings?
Thomas Sowell's writing range from social policy on race, ethnic groups, education and decision-making, to classical and Marxian economics.

Question: What other topics has he written on?
Self-contained rewrite: What other topics has Thomas Sowell written on besides social policy on race, ethnic groups, education and decision-making, to classical and Marxian economics?