Related collections:
P3 - Socialist Institutions and Their Transitions
P30 - General
P31 - Socialist Enterprises and Their Transitions
P32 - Collectives; Communes; Agriculture
P33 - International Trade, Finance, Investment, and Aid
P34 - Financial Economics
P35 - Public Economics
P36 - Consumer Economics; Health, Education, [...]
P37 - Legal Institutions; Illegal Behavior
P39 - Other