Original: Critical 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 .