Columbia subject headings:
Harvard subject headings:
Contrastive linguistics.
Europe--Languages--Grammar, Comparative.
German language--Lexicology.
German language--Written German.
Language and languages--Orthography and spelling
Lexicology.
Princeton subject headings:
Contrastive linguistics.
Europe--Languages--Grammar, Comparative.
German language--Lexicology.
German language--Written German.
Language and languages--Orthography and spelling.
Lexicology.