Origin of the Catalan language – alugha

How Many People Speak Catalan, And Where Is It Spoken?

Catalan vs Spanish (History, Pronunciation, Grammar, Vocabulary)

Barcelona Bound! – Erika Explores

Why speaking Spanish in Catalonia is controversial – Jem in Girona

Spain May End Catalan-Only Schools - Language Magazine

Top Ten Origins: Catalonia (Catalunya) and Spain

What are the differences among Iberian languages like Catalan, Castillian, Leonese, Asturian, and with them, the differences among these nations? - Quora

Spain vs Catalonia, Catalonia vs Spain, Spain, Catalonia, Comparison

Catalan or Spanish: Deciding which language to speak in Barcelona, by Alex Rawlings

Replying to @Cto777 Did you know, Catalan is linguistically as close t, learn spanish