chapter 1 INTRODUCTION -- chapter 2 ENTHALPIES OF MIXING OR INTERMEDIARY ENTHALPIES OF DILUTION -- chapter 3 POLYMER PARTIAL ENTHALPIES OF MIXING (AT INFINITE DILUTION) OR POLYMER (FIRST) INTEGRAL ENTHALPIES OF SOLUTION -- chapter 4 SOLVENT PARTIAL ENTHALPIES OF MIXING MEASURED BY CALORIMETRY -- chapter 5 PARTIAL MOLAR ENTHALPIES OF MIXING AT INFINITE DILUTION OF SOLVENTS AND ENTHALPIES OF SOLUTION OF GASES/VAPORS OF SOLVENTS IN MOLTEN POLYMERS FROM INVERSE GAS-LIQUID CHROMATOGRAPHY (IGC) -- chapter 6 TABLE OF SYSTEMS FOR ADDITIONAL INFORMATION ON ENTHALPY EFFECTS IN POLYMER SOLUTIONS.