Catalonia referendum: Who are the Catalans?, Catalonia News

Inhabitants of the Catalan region number up to 7.5 million, accounting for 15 percent of Spain’s population.

Catalonia Referendum: Detailed Results in 5 Maps

Spain cracks down hard after Catalonia declares independence – The Denver Post

Why does Catalonia want independence from Spain?

Spain's Catalonia Independence Referendum October 1, 2017

What you need to know about the Catalan independence referendum - ABC News

Catalonia Refuses to Halt Independence Referendum in Spain

What is the story of Catalan independence – and what happens next?, Catalonia

Russia is suspected of meddling in Catalonia vote

Timeline of Catalan separatism that has rocked Spain, Catalonia News

Which other regions want to secede from Spain?, Catalonia News

How Catalonia's independence crisis unfolded

The Season of Self-Determination: An Analysis of Catalonia's Independence Referendum - American University Washington College of Law

Catalan referendum: As it happened – POLITICO

Spain cracks down hard after Catalonia declares independence – The Denver Post