Columbia subject headings:
Harvard subject headings:
Courtesy--Social aspects.
German language--Honorific.
German language--Social aspects.
Politeness (Linguistics)
Politeness (Linguistics)--Germany.
Politeness (Linguistics)--Research--Japan.
Sociolinguistics.
Princeton subject headings:
Courtesy--Social aspects.
German language--Honorific.
German language--Social aspects.
Politeness (Linguistics)
Politeness (Linguistics)--Germany.
Politeness (Linguistics)--Research--Japan.
Sociolinguistics.