An economic analysis of employment in small farm agriculture : the Central Valley of Chile / by Alfonso T. Monardes
La droga, máscara del miedo : estudios sobre una expresión del conformismo social / Eduardo Kalina y Santiago Kovadloff ; prólogo del Dr. Julio Aray
Difesa del marxismo / José Carlos Mariátegui ; traduzione di Lucia Lorenzini ; postfazione di Antonio Melis
A demographic analysis of urbanization : evolution of a system of cities in Honduras, El Salvador, and Costa Rica
A demographic analysis of urbanization : evolution of a system of cities in Honduras, El Salvador, and Costa Rica