- Tourism: economic physical and social impacts (911.22 MAT)
- World tourism leaders meeting on the social impacts of tourism (911.92599 WTO)
- The economic impact of tourism (911 TOU)
- Hosts and Guests (911.301 SMI)
A good illustration of Doxey's Irridex model is given here and an article entitled 'A Framework for Monitoring Community Impacts of Tourism' (Journal of Sustainable Tourism, 1997, vol. 5, no. 1) which can be accessed in Multilingual Matters (articles accessible on-campus only, no login required). Please remember, I haven't included every possible source, but hopefully this'll be a start.