Studies on social-economic geography published on the 25th Congress of international geographical union in Paris 1984
Studies on physical and economic geography published on the occasion of the 23RD congress on international geographical union in Moscow /
7th World trade union congress : Budapest, October 17-26, 1969 : appeal to the workers and trade unions of the world /
The 4th congress of the socialist union of youth : october 2-4.1987 Prague documents /
Proceedings of the 7th Congress of the International Federation of the Societis of Classical Studies. 1
Proceedings of the 7th Congress of the International Federation of the Societis of Classical Studies. 2
Studies of Czechoslovak historians for the 18th International Congress of the History of Science
5th international congress of Turkish art /
Transactions of the 8th International ceramic congress.
Visualizing physical geography /
Fundamentals of physical geography. /
International symposium at the occasion of the 100th anniversary of the Arboretum Mlyňany foundation 1892-1992 /
11th International Congress on Glass, Prague : Summaries of Papers.
Publisher´s international directory = Internationales Verlagsadressbuch /
Proceedings of the 2nd International congress of acarology Sutton Bonington 19th-25th July, 1967 /
Self Analysis. Published by The International.
Publishers´ international ISBN directory : 2, Numerical ISBN section /
Publishers´ international ISBN directory : 3, Alphabetical section /
6th congress international show caves association : proceedings /