Columbia subject headings:
Harvard subject headings:
Vocational education--Germany--Prussia--History.
Vocational education--Germany--Saxony--History.
Vocational education--Germany--Württemberg--History.
Princeton subject headings:
Comparative education.
Education--Germany--Prussia--History--19th century.
Education--Germany--Prussia--History--20th century.
Education--Germany--Saxony--History--19th century.
Education--Germany--Saxony--History--20th century.
Education--Germany--Württemberg--History--19th century.
Education--Germany--Württemberg--History--20th century.
Industrialization--Germany--History.
Vocational education--Germany--History--19th century.
Vocational education--Germany--History--20th century.