Here are a list of sites that link to the Mad About Madrid website:
iTravelnet Travel Directory Comprehensive directory for travel related web sites. Destination guides, travel news and travelogues. Book cheap airfares, discount hotels and car hire.
Travelling Spain – an extensive travel guide that covers most of the major Spanish cities and contains many links.
Transitions Abroad was created as the antidote to tourism, a magazine with the specific goal of providing information that would enable travelers to actually meet the people of other countries, to learn about their culture, to speak their language, and to "transition" to a new level of understanding and appreciation for our fascinating world.