Columbia subject headings:
Harvard subject headings:
German language--Computer-assisted instruction.
German language--Gender.
German language--Study and teaching--Foreign speakers.
German language--Study and teaching--Greek speakers
Princeton subject headings:
German language--Gender.
German language--Grammar, Comparative--Greek, Modern.
German language--Study and teaching--Greek speakers.
Grammar, Comparative and general--Gender.
Greek language, Modern--Grammar, Comparative--German.