Organisierte und unorganisierte Bedienstete der Reichspost- und Telegraphen-Verwaltung ...

Working class -- Germany -- 20th century
Working class -- Germany -- 20th century
Labor movement -- Germany -- 20th century
Labor movement -- Germany -- 20th century
World War, 1914-1918 -- Germany -- Broadsides
World War, 1914-1918 -- Germany -- Broadsides