1. | Urlaubsreisen 1968 : reiseintensität, reisegewohnheiten der westdeutschen Bevölkerung im Zeitvergleich 1954 bis 1968 / Divo InstitutCol.autor: Divo Institut COTA(S): 1252 | ||
2. | Le tourisme international en techécoslovaquie en chiffres 1968 / Ministère du Commerce de la République Socialiste TchèqueData Publicação: 1969 Col.autor: Ministère du Commerce de la République Socialiste Tchèque COTA(S): 1274 | ||
3. | Physical development plan for the South Adriatic : region of Yugoslavia. Final report / United Nations Development ProgrameData Publicação: 1969 Col.autor: Town Planning Institute of Croatia COTA(S): 1342 | ||
4. | Tourism in Scotland / Scottish Tourist BoardData Publicação: ca. 1969 Col.autor: Scottish Tourist Board COTA(S): 1366 |