Off the top of my head...
- In Defense of Mathematics and its Place in Anarchist Education
- A Mathematician's Lament (not explicitly anarchist)
- Why Anti-Authoritarians are Diagnosed as Mentally Ill, and How This Helps America’s Illegitimate Authorities Stay in Charge
- Mutualism - The Wolf in Anarchist Clothing
- Red Flags - Before You Join That Org...