1.		Tourism taxation: striking a fair deal / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 6830
2.		Tourism economic report / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 6856; 6856-a
3.		CEU/ETC seminar on the euro and tourism, Royal Olympic Cruises ship, Greece, 5-8 May 1998 / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7084; 7084-a; 7084-b
4.		L' euro : incidences sur le tourisme / Organisation mondiale du tourisme Data Publicação: 1998 Col.autor: OMT COTA(S): 7172; 7172-a; 7172-b; 7172-c
5.		Guide for local authorities on developing sustainable tourism / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7083; 7083-a
6.		L' Afrique et les perspectives du tourisme mondial: l'horizon 2020: défis et opportunités : Séminaire CAF, Grand-Baie, Maurice, 30 avril-1er mai 1998 / Oganisation Mondial du Tourisme Data Publicação: 1998 Col.autor: OMT COTA(S): 7176; 7176-a
7.		Tourism taxation in Asia and the Pacific : a report on the Pan-Asia Pacific tehcnical seminar on tourism taxation, Kochi, Kerala - Índia, 23-24 April 1998 / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7694
8.		Guide à l'intention des autorités locales: développement durable du tourisme / Organisation Mondiale du Tourisme Data Publicação: 1998 Col.autor: OMT COTA(S): 7083-A; 7083-A-a; 7083-A-b; 7083-A-c
9.		Tourism satellite account (TSA) / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7324