America and the world revolution
public lectures delivered at the University of Pennsylvania, spring 1961.
Lectures given at University of Pennsylvania, McGill University, and the University of Puerto Rico, 1961-62.
Relations (general) with foreign countriesCivilizationWestern CivilizationAmericans in foreign countriesSocial conditionsRelationsCivilisation occidentaleInternational relationsRelations extérieuresConditions socialesCivilisationCivilization, Western