- Leo Beletsky at Northeastern University
- Beletsky, Leo et al. “The Law (and Politics) of Safe Injection Facilities in the United States.” American Journal of Public Health 98.2 (2008): 231–237.
- HarmReduction.org: Principles of Harm Reduction
- Aubrey Whelan, "Safe injection sites to fight opioid overdose deaths get green light from Philadelphia officials." Philadelphia Inquirer. 201.
- Olga Khazan. "Why Can’t Addicts Just Quit?" Olga Khazan. The Atlantic. 2017.
- Christine Vestal, "Injection Sites Provide Safe Spots to Shoot Up." Christine Vestal. HuffingtonPost. 2018.
- Abraham Gutman, "No, Philly did not just approve of ‘Hamsterdam’." Philadelphia Inquirer. 2018.
- Liz Giordano, "Yes or No? Safe Injection Sites Trigger Passion." Crosscut. 2017.