Columbia subject headings:
Electronic mail messages--Social aspects.
Sociolinguistics.
Speech and social status--Germany.
Teacher-student relationships--Germany.
Harvard subject headings:
Electronic mail messages--Social aspects.
Sociolinguistics.
Speech and social status--Germany.
Teacher-student relationships--Germany.
Princeton subject headings:
Electronic mail messages--Social aspects.
German language--Written German.
Sociolinguistics.
Speech and social status--Germany.
Teacher-student relationships--Germany.