Pakistan Tourism Development Corporation
PTDC runs hotels and motels in many of the tourist destinations of Pakistan. It also promotes tourism to Pakistan on behalf of the Government. http://www.tourism.gov.pk/
Lahore
A feature on travel to Lahore, the historic and cultural center in Pakistan's Punjab province from About.com http://gosouthasia.about.com/library/weekly/aa022099.htm
Pakistan Tourism
Information on tourism and travel. http://www.pakistan-tourism.com/
Lonely Planet : Destination Pakistan
Facts for travellers, attractions, events, culture, history and map. http://www.lonelyplanet.com/destinations/indian_subcontinent/pakistan
John Mock and Kimberley O'Neil
Trekking in the Karakoram and Hindukush mountains in northern Pakistan. Books, maps, and photographs. http://www.mockandoneil.com/