Columbia subject headings:
Polish language--To 1500--Foreign words and phrases--German.
Polish language--To 1500.
Harvard subject headings:
German language--Middle High German, 1050-1500--Phonology, Comparative--Polish.
Polish language--To 1500--Foreign words and phrases--German.
Polish language--To 1500--Phonology, Comparative--German.
Princeton subject headings:
Polish language--To 1500--Foreign words and phrases--German.
Polish language--To 1500.