- U.S. Congress, Civil Rights Act of 1964; Voting Rights Act of 1965.
- Historical analysis of federal recognition and removal of civil rights commemorations.
- U.S. Department of the Interior, National Park Service announcements on fee-free days.
- Executive Orders and federal directives affecting DEI programs.
- Public statements by President Donald J. Trump regarding federal holidays.
- U.S. Department of Education and state legislative actions restricting race-based curricula.
- Heritage Foundation, Project 2025: Mandate for Leadership.
- Department of Justice and Supreme Court actions affecting civil rights enforcement.
- FOIA requests submitted to the Department of the Interior and National Park Service.
