- Brasões - http://www.hiperglobal/portugal - image repository of administrative Portuguese Coats of Arms.
- Wikipedia - https://pt.wikipedia.org/wiki/Her%C3%A1ldica_portuguesa and related links on the same topic.
- Heráldica Portuguesa of Luís Belard da Fonseca in http://www.armorial.net/
- IGP - http://www.igeo.pt information on administrative geographic features.
- Mário Carlos Baptista, management and maintenance of graphical images of Coats of Arms Database.
- Francisco Corrente, in webhosting and technical support.
This site is an academic work and was built by Sara Isabel Alves dos Santos Baptista for the Seminar of the Geographic Information Technologies Master Course of Coimbra´s University under guidance of Ph.D. José Gomes.