- from HyperPhysics portal. This is rather a comprehensive online physics handbook containing "Thermodynamics" chapter. Site has a handle navigation, good illustrations, and very detail content.
- An overview of the history/evolution of thermodynamics. This is an excerpt from a biography of J. Willard Gibbs. The overview is available from the site in MS Word or pdf/Acrobat format.
- Thermodynamics and heat transfer in Internal combustion engine. Applets are used to perform simple calculations. Developed at Colorado State University.
- A qualitative introduction to the second law and entropy written for beginners in chemistry but useful for physics students too. Explains relationship with Murphy's Law.