Field Theoretical Approach for Ionic Systems -- Induced Charge Computation Method -- Concept of Ion Association in the Theory of Electrolyte Solutions -- Towards the Role of the Range of Intermolecular Interactions -- Collective Dynamics in Ionic Fluids -- Criticality of Ionic Liquids in Solution -- Liquid-Vapor Criticality in Coulombic and Related Fluids -- Macroions in Solution -- Anomalous S…