In the year 1909 was established in Prague Minority Museum as a mutually-supportive institution. Its goal was to pay attention to demographic problems, expecially the distribution of Czech minorities in nationally mexed (Czech-German) regions in the borderlands, as well as collection of documents on national, cultural and social situation. One of the concrete activities of the museum was to pursue guestionnaire surveys, on the basis of which was expected to enquire the situation of Czech minorities on Czech-German territories. The article shows how the questionnaires were processed and distributed. Given the fact that the archival collection "Minority Museum 1909-1920" in the National Archives in Prague contains only a torso of filled questionnaires, it can be speculated that in the period before the World War I it was not possible to realize this project., Andrej Sulitka., and Obsahuje bibliografii