Bertrand Russell
Calm and collected, this short and personal treatise on the attainment of happiness has much to recommend it.
The Conquest of Happiness
Category: Biosociopsychology
Jung’s Collected Works, volumes I-XXI
Carel Jung
Recommended in particular are volumes VI (‘Psychological Types’), IX(i) (‘The Archetypes and The collective Unconscious’) and XVII (‘The Development of Personality’).
Animal Social Complexity: Intelligence, Culture, and Individualized Societies
Edited by Frans de Waal & Peter Tyack
The best work dealing with the subject that I know.
African Genesis
Robert Ardrey