Costa Rica - The World Factbook

Costa Ricans - Wikiwand

Ethnic groups in Central America - Wikipedia

Afro–Latin Americans - Wikipedia

Quarterhouse Spanish-Speaking Countries (with Map) Poster Set for the – quarterhouseusa

World World Factbook

Catholic Church by country - Wikipedia

Afro–Latin Americans - Wikipedia

The World Factbook (1990)/Costa Rica - Wikisource, the free online library

GitHub - factbook/factbook.json: World Factbook Country Profiles in JSON - Free Open Public Domain Data - No API Key Required ;-)

Ethnic groups in Central America - Wikipedia

Costa Ricans - Wikipedia