Endangered Species Act
- Endangered Species Act of 1973, legislation.
- United States Code/Title 16/Chapter 35 (1973), the original legislation.
- Endangered Species Act of 1973, as Amended Through the 108th Congress (2003) (start transcription)
- Endangered Species Act Basics, a short guide to the previous work. (2023) (external scan)
- Endangered Species Act Overview, another short guide to the legislation. (2023) (external scan)