Twenty five years of Canada Ethnic Press Federation. /
The Five-Year Engagement ; It´s Complicated.
Twenty years of existence of the observatory on the Lomnický štít /
Twenty years of activity in Czechoslovak yeasts research /
Five years of an enlarged EU : economic achievements and challenges /
Historical and Philosophical Dimensions of Logic, Methodology and Philosophy of Science / Part 4
Contributions to logic and methodology in honor of J. M. Bocheński.
Twenty years Overdue slovene and croat minorities in Austria.
Czechoslovakia's First Five-Year Plan : prop. brožura ve angl. /
The Tardigrada of Poland /
One thousand and twenty years of young Slovakia : the first complete book about the Slovak Republic /
Five years of the Implementation of the Geneva Agreements in Viet Nam.
Literatury Studies in Poland 14
Poland in the 1980´s : reassessment of crises and conflicts /
Empirical sociology in Poland /
Methodology of History /
Twenty four preludes
Twenty Lectures on Thermodynamics /
Education and work ind Poland /
High five /
Twenty-five years of logical methodology in Poland /
Metodologia formalna nauk empirycznych : podstawowe pojęcia i zagadnienia /
Topics in the Formal Methodology of Empirical Sciences.