7th World trade union congress : Budapest, October 17-26, 1969 : appeal to the workers and trade unions of the world /

14e congres de 1´union socialiste de la jounesse : 2-4 octobre 1987 Prague documents /

The Position of the Trade Unions in the Czechoslovak Socialist Republic.

The trade unions and socialist construction in U.S.S.R. /

The state anthem of the Union of Soviet socialist republics

Sixtieth Aniversary of the Union of Soviet Socialist Republics.

Hello Europe. A youth guide to Europe and the European Union /

9th congress on material testing : 3rd Danubia-Adria Symposium, Budapest, 29th-3rd October 1987. Volume 1, session 1 /

9th congress on material testing : 3rd Danubia-Adria Symposium, Budapest, 29th-3rd October 1987. Volume 2, session 2, 3 /

Proceedings of the 6th Congress : Bratislava, September 4-7, 1975 Vol. 1

Proceedings of the 6th Congress : Bratislava, September 4-7, 1975. Vol. 2 /

57th Congress Fédération Internationale de Philatélie : Prague 4th - 6th September 1988

11th International Congress on Glass, Prague : Summaries of Papers.

Proceedings of the 4th International Congress of Biochemistry : Vienna, 1 - 6 September 1958 Vol. 8 Proteins : symposium 8

Proceedings of the 4th International Congress of Biochemistry : Vienna, 1 - 6 September 1958 Vol. 11 Vitamin metabolism : symposium 11

Proceedings of the 4th International Congress of Acarology, Saalfelden (Austria) /

Studies on physical geography published on the occasion of the 25th Congress of International union in Paris 1984

Sexism and youth /

Youth in Slovakia /

Youth in Slovakia. /