91% of world population lives in countries with restricted travel amid COVID-19 | Pew Research Center
U.S.-Canada Agree to Extend Border Closure for 30 Days - Bloomberg
U.S. extends border restrictions with Canada until Sept. 21 | CBC News
Residents of Point Roberts, Wash. desperate for help as US-Canada border closure stretches on | king5.com
U.S. border to re-open June 22 | The Northern Light
Congress Calls U.S., Canada to Develop Border Reopening Plan
One year after U.S.-Canada border closure: Where do we stand? - The Lawyer's Daily
U.S.-Canada border closure set to expire on July 21, but will it be extended yet again? - Grand Forks Herald | Grand Forks, East Grand Forks news, weather & sports
More than 18,000 people have tried to visit, shop, sightsee in Canada despite border closure | CBC News
Canada, US extend border closure to non-essential travel | Coronavirus | wxow.com
COVID-19 Symposium: US Border Closure Breaches International Refugee Law - Opinio Juris
Nigeria Border Closure Aimed at Curbing Weapons, Drugs: Minister - Bloomberg
Coronavirus: Canada-U.S. border closure, other travel restrictions undermine our values
How the Prolonged Border Closure is Affecting Michiganders & Canadians
U.S. extends travel restrictions at land borders with Canada, Mexico through March 21 | Reuters