Original: Problems in the History of Science pp.321–56 , Chapter 8, "Energy and Thermo-dynamics" External links MISN-0-158 The First Law of Thermodynamics (PDF file) by Jerzy Borysowicz for Project PHYSNET.
Simplified: Classic accounts , Chapter 8, "Energy and Thermo-dynamics" Other websites MISN-0-158 The First Law of Thermodynamics (PDF file) by Jerzy Borysowicz for Project PHYSNET.