List of European countries by average wage - Wikipedia
List of sovereign states in Europe by GDP (nominal) per capita - Wikipedia
Wikipedia already lists the EU as a "country with a federal system" Based af 🇪🇺🇪🇺 : r/YUROP
File:European countries by GDP.PNG - Wikimedia Commons
List of countries and capitals with currency and language wikipedia, the free encyclopedia | PDF
EU & ME | WHAT IS THE EUROPEAN UNION?
Country - Wikipedia
Economic Indicator: GDP - Gross Domestic Product
Europe - Wikipedia
Central European Summer Time - Wikipedia
List of European Countries by Population - Wikipedia, The Free Encyclopedia | PDF | Crimea | Wikipedia
List of countries and dependencies by area - Wikipedia
List of European countries by population - Wikipedia
Asia - Wikipedia
European Union - Wikipedia
List of highest points of European countries - Wikiwand
File:Europe countries map de 2.png - Wikimedia Commons
Countries - Europa Universalis 4 Wiki
Europe - Wikipedia
Table: Unemployment and Minimum Wages in Europe, 2013 | Stephen Hicks, Ph.D.
Europe - Wikipedia
