Pareto, Vilfredo [Enrico Barone] Trattato di Sociologia Generale [The Mind and Society] Florence: G. BarbĂ©ra, 1916. First edition, first impression (in Italian). First issue of Vilfredo Pareto’s foundational work of elite theory, previously owned by influential economist Enrico Barone Details for Trattato di Sociologia Generale [The Mind and Society Price: $4,000.00