1. Federal Trade Commission Streamlining licensing across state lines: initiatives to enhance occupational license portability 2018 www.ftc.gov/news-events/events-calendar/2017/07/streamlining-licensing-across-state-lines-initiatives-enhance
2. Occupational Licensing Task Force and Oklahoma Department of Labor A study of occupational licensing in Oklahoma Oklahoma City Occupational Licensing Task Force and Oklahoma Department of Labor 2018
3. Federal Trade Commission FTC staff issues comment on proposed occupational licensing reform in Nebraska 2018 www.ftc.gov/news-events/press-releases/2018/01/ftc-staff-issues-comment-proposed-occupational-licensing-reform
4. American Dental Association Licensure overview 2018 www.ada.org/en/education-careers/licensure