European tourism in 2012: trends & prospects / European Travel Commission
The meaning of travel and the perception of Europe as travel destination / ETC- European Travel Commission
American tourists. A survey varried out between April and November, 1955 on behalf of the British travel and holidays Association / European Travel Commission
Survey of American "repeat" visitors to Europe / European Travel Commission
"Open house" tour sales planner / European Travel Commission
Youth & Europe 1967 / European Travel Commissio, Time Magazine
A report on growth and profitability in the superjet age the 3rd two-way transatlantic travel congress / European Travel Commission
Freedom to travel / European Travel Commission
Incidence of travel to Europe among U.S. college students / European Travel Comission