Columbia subject headings:
Hungary--Emigration and immigration.
Minorities--Austria.
Minorities--Hungary.
Slovak Americans.
Slovaks--Hungary.
United States--Emigration and immigration.
Harvard subject headings:
Hungary--Emigration and immigration.
Minorities--Austria
Minorities--Hungary
Slovak Americans.
Slovaks--Hungary
United States--Emigration and immigration.
Princeton subject headings:
Hungary--Emigration and immigration.
Minorities--Austria.
Minorities--Hungary.
Slovak Americans.
Slovaks--Hungary.
United States--Emigration and immigration.