CIA - Chiefs of State and Cabinet Members of Foreign Governments: Spain
- List of government officials and their titles, updated weekly. Also includes the head of the central bank, ambassadors to the United States and Permanent Representatives to the UN, New York.
- https://www.cia.gov/library/publications/world-leaders-1/world-leaders-s/spain.html

World Legal Information Institute - Spain
- Catalog and search facilities for over 500 databases from 55 countries including case-law, legislation, treaties, law reform reports, law journals, and other materials.
- http://www.worldlii.org/catalog/263.html

US Law Library of Congress - Spain
- Annotated compendium of online sources providing access to primary documents, legal commentary and general government information about specific jurisdictions and topics.
- http://www.loc.gov/law/guide/spain.html

Wikipedia - José Luis Rodríguez Zapatero
- Hyperlinked encyclopedia article about the Prime Minister of Spain.
- http://en.wikipedia.org/wiki/Jose_Luis_Rodriguez_Zapatero

ICL - Spain Index
- Complete copies and links to the country's Constitution, along with related background, history and events, provided by International Constitutional Law.
- http://www.oefre.unibe.ch/law/icl/sp__indx.html

The Senate of Spain
- House of the Cortes Generales. What it is, how it works, and to learn more. With translation of the Constitution.
- http://www.senado.es/home_i.html