Here are a few websites that can help you discover online libraries and databases full of Slovak literature
Complete database of Slovak literature, history, and culture you can find on the webpage of Slovak National Library
KIS3G Project (Library Information System of the third generation) is a project of a national information system.
The aim of the Project is:
creating standard and uniform environment, making accessible resources of cultural and scientific heritage through common databases, and thus providing better library and information services.