Columbia subject headings:
Germany--Politics and government--1990-
Germany--Social conditions--20th century.
Germany--Social conditions--21st century.
Mass media and social integration--Germany.
Mass media--Germany.
Social media--Germany.
Harvard subject headings:
Germany--Politics and government--1990-
Germany--Social conditions--20th century.
Germany--Social conditions--21st century.
Mass media and social integration--Germany.
Mass media--Germany
Social media--Germany.
Princeton subject headings: