Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Languages.
German language--Balkan Peninsula--Foreign elements.
Hungarian language--Foreign elements
Interference (Linguistics)
Languages in contact--Balkan Peninsula.
Romanian language--Foreign elements
Princeton subject headings:
Balkan Peninsula--Languages.
German language--Balkan Peninsula--Foreign elements.
Hungarian language--Foreign elements.
Interference (Linguistics)
Languages in contact--Balkan Peninsula.
Romanian language--Foreign elements.