Subject categories
Agriculture, Business, Commerce & Industry → Industries - China
Agriculture, Business, Commerce & Industry → Oil fields
Agriculture, Business, Commerce & Industry → Oil industry - History
Anthropology, Ethnology, Exploration & Travel → China - Social life and customs
Documentary
Documentary → Documentary films - China
Economics, Philosophy, Politics, Religion & Sociology → Motion pictures in propaganda
Feature films
Feature films → Feature films - China
History → China - Civilization
History → China - History - Cultural Revolution, 1966-1969