Columbia subject headings:
Germany (West). Bundesrat.
Switzerland. Bundesversammlung. Ständerat.
United States. Congress. Senate.
Harvard subject headings:
Germany (West). Bundesrat
Switzerland. Bundesversammlung. Ständerat.
United States. Congress. Senate.
Princeton subject headings:
Germany (West). Bundesrat
Switzerland. Bundesversammlung. Ständerat
United States. Congress. Senate