Columbia subject headings:
Collective labor agreements--Germany--Baden-Württemberg--History--20th century.
Collective labor agreements--Germany--Baden-Württemberg--History--21st century.
Industrial relations--Germany--Baden-Württemberg--History--20th century.
Industrial relations--Germany--Baden-Württemberg--History--21st century.
Retail trade--Germany--Baden-Württemberg--History--20th century.
Retail trade--Germany--Baden-Württemberg--History--21st century.
Harvard subject headings:
Collective labor agreements--Germany--Baden-Württemberg--History--20th century.
Collective labor agreements--Germany--Baden-Württemberg--History--21st century.
Industrial relations--Germany--Baden-Württemberg--History--20th century.
Industrial relations--Germany--Baden-Württemberg--History--21st century.
Retail trade--Germany--Baden-Württemberg--History--20th century.
Retail trade--Germany--Baden-Württemberg--History--21st century.
Princeton subject headings:
Collective labor agreements--Germany--Baden-Württemberg--History--20th century.
Collective labor agreements--Germany--Baden-Württemberg--History--21st century.
Industrial relations--Germany--Baden-Württemberg--History--20th century.
Industrial relations--Germany--Baden-Württemberg--History--21st century.
Retail trade--Germany--Baden-Württemberg--History--20th century.
Retail trade--Germany--Baden-Württemberg--History--21st century.