1.		European tourism in 2012: trends & prospects / European Travel Commission Col.autor: European Travel Commission COTA(S): 13938-Dg
2.		The meaning of travel and the perception of Europe as travel destination / ETC- European Travel Commission Data Publicação: 2015 Col.autor: European Travel Commission COTA(S): 16103-Dg
3.		American tourists. A survey varried out between April and November, 1955 on behalf of the British travel and holidays Association / European Travel Commission Data Publicação: 1955 Col.autor: European Travel Commission COTA(S): 192
4.		Survey of American "repeat" visitors to Europe / European Travel Commission Data Publicação: 1959 Col.autor: European Travel Commission COTA(S): 201
5.		"Open house" tour sales planner / European Travel Commission Data Publicação: 1961 Col.autor: European Travel Commission COTA(S): 201.-; 204-2; 204-2.a
6.		Youth & Europe 1967 / European Travel Commissio, Time Magazine Data Publicação: 1967 Col.autor: European Travel Commission COTA(S): 208
7.		A report on growth and profitability in the superjet age the 3rd two-way transatlantic travel congress / European Travel Commission Data Publicação: 1969 Col.autor: European Travel Commission COTA(S): 211; 211.a
8.		Freedom to travel / European Travel Commission Data Publicação: 1969 Col.autor: European Travel Commission COTA(S): 215
9.		Incidence of travel to Europe among U.S. college students / European Travel Comission Data Publicação: 1965 Col.autor: European Travel Commission COTA(S): 946