General Editor's Preface -- Preface -- SESSION ONE: INTRODUCTION, DEFINITIONS -- SESSION TWO: BIO-MEDICAL ASPECTS OF THE ETIOLOGY OF WAR -- SESSION THREE: INDIVIDUAL AGGRESSION AS A CAUSE OF WAR -- SESSION FOUR: PSYCHOLOGICAL AND PSYCHIATRIC CONSIDERATIONS -- SESSION FIVE: THE ECOLOGY OF THE ETIOLOGY OF WAR -- SESSION SIX: WAR IN COMPLEX SOCIETIES -- SESSION SEVEN: WAR: ITS MEANING AND ITS CONTROL -- SESSION EIGHT: WAR OR PEACE? -- Biographical Notes -- Index of Names -- Index of Subjects.