Constitution

• Constituição da República Portuguesa

Legislation

• Law 75/2013 Legal Regime Of Local Authorities
• Law no. 43/2006, of 25 August 2006, as amended by Law no. 21/2012, of 17 May 2012  Monitoring, assessment and pronouncement by the Assembleia da República within the scope of the process of constructing the European Union

Websites

• Council of European Municipalities and Regions (CEMR) Portugal
• Country Studies - Portugal         
• Government portal
• National Association of Portuguese Municipalities portal.
• Assembly of the Republic
• General Directorate of Local Authorities

Publications

• A collective work of Dexia Crédit Local Research Department, Sub-national governments in the European Union – Organisation, responsibilities and finance, Dexia Ed., La Défense, 2008, pp. 613-618.
• Assembly of the European Regions, Sub-National Government in Portugal: a brief outline, 2015.
• Congress of Local and Regional Authorities, 2012, Monitoring Report  Local and regional democracy in Portugal Monitoring Committee, Rapporteurs: Jos WIENEN, The Netherlands (L, EPP/CD); Devrim ÇUKUR, Turkey (R, SOC)
• Council of European Municipalities and Regions, Study on 'Consultation procedures within European States', 2007, pp. 173-177.
• EU Directorate-General for the Presidency, 2013, National Parliaments' internal procedures for subsidiarity checks    
• Report The Role of Regional Parliaments in the Process of Subsidiarity Analysis within the Early Warning System of the Lisbon Treaty, Committee of the Regions, drafted by EIPA (authors: Vara Arribas, G., Bourdin D.), 2011.
• de Sousa, L., Tavares, A., da Cruz, N.F., Jorge, S. (2015). A Reforma do Poder Local em Debate (Debating the Reform of Local Government). Lisbon: Imprensa de Ciências Sociais