Columbia subject headings:
Harvard subject headings:
Artisans--Germany--History--19th century--Sources.
Artisans--Germany--Political activity--Sources.
Deutscher Handwerker- und Gewerbe-Congress (1848 : Frankfurt am Main, Germany)
Princeton subject headings:
Artisans--Germany--History--19th century--Sources.
Artisans--Germany--Political activity.
Deutscher Handwerker- und Gewerbe-Kongress (1st : 1848 : Frankfurt am Main, Germany)--History--Sources.