The seven sisters
Subjects
- adventure fiction
- biography / autobiography
- general
- géopolitique
- histoire
- history
- industrie et commerce
- industrie pétrolière
- multinationales
- organisation des pays exportateurs de pétrole
- petroleum industry
- petroleum industry and trade
- petroleum industry and trade -- history
- petroleum industry and trade, history
- plot-your-own stories
- political freedom & security - law enforcement
- political science
- pťrole