Columbia subject headings:
Languages in contact--Germany--Kamenz (Landkreis)--Case studies.
Upper Sorbian language--Foreign words and phrases--German.
Upper Sorbian language--Grammar.
Upper Sorbian language--Phonology.
Upper Sorbian language--Spoken Upper Sorbian.
Harvard subject headings:
Languages in contact--Germany--Kamenz Region--Case studies.
Upper Sorbian language--Foreign words and phrases--German
Upper Sorbian language--Grammar.
Upper Sorbian language--Phonology.
Upper Sorbian language--Spoken Upper Sorbian language.
Princeton subject headings:
Case studies.
Languages in contact--Germany--Kamenz Region--Case studies.
Upper Sorbian language--Foreign words and phrases--German.
Upper Sorbian language--Grammar.
Upper Sorbian language--Phonology.
Upper Sorbian language--Spoken Upper Sorbian language.