| Subject | English | Chinese |
| law | Declaration of Legal Principles Governing the Activities of States in the Exploration and Use of Outer Space | 各国在探索与利用外层空间活动的法律原则的宣言1963年 |
| UN | Environmental Protection and Sustainable Development, Legal Principles and Recommendations | 环境保护与持续发展, 法律原则和建议 |
| UN, ecol. | Environmental Protection and Sustainable Development, Legal Principles and Recommendations | 环境保护与可持续发展, 法律原则和建议 |
| law | Legal doctrines, Principles, and rules | 法律原理、原则和规则 |
| law | legal principle | 法律原则 |
| UN | Legal principles and recommendations on environmental protection and sustainable development | 关于环境保护和持续发展的法律原则和建议 |
| UN | Legal Principles for Environmental Protection and Sustainable Development | 关于环境保护和持续发展的法律原则 |
| China, law | legal system and principle previously in force | 原有法律制度和原则 |
| China, law | legal system and principles | 法律制度和原则 |
| China, law | legal system and principles previously in force in Hong Kong | 香港原有法律制度和原则 |