6 Schengen Area Countries Still Keeping Temporary Internal Border Controls in Place - SchengenVisaInfo.com
Free movement and border policies in Africa and Europe
What is Schengen? - Australian Institute of International Affairs - Australian Institute of International Affairs
Schengen at risk, border controls in six countries - InfoMigrants
The Schengen crisis: a failure - The New Federalist
Schengen: Controversial EU free movement deal explained - BBC News
Europe had a dream of a land without borders. Now that dream may be turning to dust. - The Washington Post
The Union's external borders: a European debate revisited
Europe's Schengen area: border free, with exceptions – European Data News Hub
Let's end Bulgaria and Romania's 11-year Schengen purgatory
Map of Border Controls Inside Europe's Schengen Area: August 2016 - Political Geography Now
6 Schengen Area Countries Have Now Extended Their Border Controls for Another Half-Year - SchengenVisaInfo.com
Europe Rethinks the Schengen Agreement
The Future of Schengen – European Council on Foreign Relations
Strengthening the EU's external borders - Consilium
The slow death of Schengen – EURACTIV.com
Border checks in EU challenge Schengen Agreement – DW – 11/12/2019
Border checks in EU challenge Schengen Agreement – DW – 11/12/2019
Ever Closed Borders - Das Progressive Zentrum
Entry Exit System EES system (EU borders in 2022)
Is this the end of Schengen? | World Economic Forum
Schengen Area Countries - Schengen Agreement, Visa Information
Schengen Area - Wikipedia
Why the Schengen agreement might be under threat | The Economist
Border fences and internal border controls in Europe (March 2017) - World | ReliefWeb
