- Hak asasi manusia
- Jacques-Marie-Adrien-Césaire Mathieu
- Uni Soviet
- Teori kinerja karakteristik
- Tentang Kewajiban
- Efisiensi energi
- Anarkisme
- Kosovo
- Anti-korupsi
- Lembaga Pembangunan Internasional Amerika Serikat
- Obligation
- No Obligation
- Political obligation
- Collateralized debt obligation
- Law of obligations
- Holy day of obligation
- Debt obligation
- Compulsory stock obligation
- Contract
- Deontology