Koudelka, J. (1924). Circular containing contents of lecture entitled 'The Trade Union Movement in Czechoslovakia' delivered by Jaroslav Koudelka with four subject headings including the introduction, the new state, socialism and trade unionism.

Koudelka, Jaroslav. Circular Containing Contents of Lecture Entitled 'The Trade Union Movement in Czechoslovakia' Delivered by Jaroslav Koudelka with Four Subject Headings Including the Introduction, the New State, Socialism and Trade Unionism. 1924.