Subject
- Problem youth1
- Psiquiatria1
- Public welfare1
- Quality of work life1
- Raw materials1
- Recreation1
- Regionalism1
- Relations internationales1
- Religion1
- Religion and sociology1
- Reporters and reporting1
- Ressource Internet (Descripteur de forme)1
- Revistes electròniques1
- Roosevelt, Franklin D. (Franklin Delano), 1882-19451
- Roosevelt, Theodore, 1858-19191
- Science and civilization1
- Science fiction1
- Science, Renaissance1
- Second language acquisition1
- Semiotics1