Columbia subject headings:
Harvard subject headings:
German language--Etymology.
German language--Euphemism--Dictionaries.
German language--Indeclinable words--Dictionaries.
German language--Obscene words--Dictionaries.
German language--Slang--Dictionaries.
Sex--Slang--Dictionaries.
Princeton subject headings:
Dictionaries.
German language--Etymology.
German language--Obscene words--Dictionaries.
German language--Slang--Dictionaries.