Planck M. Treatise on thermodynamics 3ed 2010

Textbook in PDF format

This classic by the Nobel Laureate is still recognized as one of the best introductions to thermodynamics. A model of conciseness and clarity, it covers fundamental facts and definitions, first and second fundamental principles of thermodynamics, applications to special states of equilibrium, and much more. Numerous worked examples. 1917 edition.
Fundamental facts and definitions.
The first fundamental principle of thermodynamics.
The second fundamental principle of thermodynamics.
Applications to special states of equilibrium