Digital Library of Costa Rica

The Digital Library of Costa Rica (SINABI) includes books related to history, culture, and biographies. Works are mostly in Spanish; a few are bilingual.

The Blue Book of Costa Rica
Published in 1916, El 'Libro Azul' de Costa Rica contains a history of Costa Rica, including biographical information and photographs.

A wiki article describing an online collection is found at:

Costa Rica Civil Registration - FamilySearch Historical Records