Motores de Pesquisa Internacionais

• Google
• HotBot
• CyberStacks
• Yahoo!
• Beyond General Web Searching - Webliographies, Virtual Libraries, One-Stop Multi-Purpose Search sites, Encyclopedias and Catalogs of the Internet, Usenet and Listserv Discussion groups, Europe and International Web, Finding People's Pages and e-add ressses, Grant resources, Grants 
• The World Wide Web Consortium (W3C) 
• LC MUMS Z39.50 Server (EZ Search Form) 
• Finding Information on the Internet - Tutorial
• The eLibrary

 
Motores de Pesquisa Nacionais

• SAPO - Servidor de Apontadores Portugueses
• Universidade de Coimbra - Pesquisar no servidor
• AEIOU - páginas pt