Columbia subject headings:
Harvard subject headings:
Bilingualism in children
German language--Acquisition
German language--Case
German language--Case grammar.
German language--Study and teaching (Preschool)--Russian speakers
Preschool children--Language.
Russian language--Acquisition.
Russian language--Case
Russian language--Case grammar.
Russian language--Study and teaching (Preschool)--German speakers
Princeton subject headings:
Bilingualism in children.
German language--Acquisition.
German language--Case grammar.
German language--Case.
German language--Study and teaching (Preschool)--Russian speakers.
Preschool children--Language.
Russian language--Acquisition.
Russian language--Case grammar.
Russian language--Case.
Russian language--Study and teaching (Preschool)--German speakers.