Hospitality and Tourism Index: http://web.ebscohost.com/ehost/search?vid=1&hid=105&sid=5593acaf-0d39-42ec-8d12-8eaf35453572%40replicon103
Institute of Hospitality: http://www.instituteofhospitality.org/
Leisure Tourism Database: http://www.cabi.org/leisuretourism/
NetLibrary: http://www.netlibrary.com/
UNWTOeLibrary: http://www.wtoelibrary.org/home/main.mpx