- Awesome article on Slate.com – “Kafka’s Calisthenics”
- The original book scanned in – JP Muller “My System”
- The JP Muller Information Page
- Summary by a fan “My System: 15 Minutes Exercise Daily for Health’s Sake” – here’s the Google doc too.
- The original book for “My Breathing System“
- Muller’s Fresh Air Book
- JP Muller on Wikipedia