- BNE: Spanish National Library
- CBIC: Spanish CSIC libraries network
- CINDOC: Centro de Información y Documentación CientÃfica. Abstract: This Centre is part of the Consejo Superior de Investigaciones CientÃficas (CSIC). The Centre produces and distributes bibliographic databases on History and other disciplines. It includes Spanish Scientific Journals, periodicals, monographies, etc.
Teseo: Database containing information on any Ph.D. theses defended in Spanish Universities since 1976.