1. Vaccine mandates rekindle fierce debate over civil liberties;Landler;The New York Times,2021
2. The Oxford compendium of national legal responses to Covid-19,2021
3. Charting mandatory childhood vaccination policies worldwide;Vanderslott;Vaccine,2021
4. Mandatory Vaccines and V Passports (LAC19 Survey);Harvard Dataverse,2021
5. Political liberalism;Rawls,1993