Subjects: “…., Federatie Metaal- en Electrotechnische Industrie., Industriebond FNV., Collective labour agreement., Metal industry., Group portrait.]…”

Subjects: “…[Steel industry.]…”

Subjects: “…[Steel industry.]…”

Subjects: “…[Building industry.]…”

Subjects: “…[Building industry., Bricklayers.]…”

Subjects: “…[Graphic industry., Typographers.]…”

Subjects: “…[Employees., Food industry.]…”

Subjects: “…[Building industry., Bricklayers.]…”

Subjects: “…[Steel industry., Steelworkers.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Steel industry., Factory workers.]…”

Subjects: “…[Textile industry., Textile workers.]…”

Subjects: “…[Textile industry., Textile workers.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Building industry., Working conditions.]…”

Subjects: “…[Building industry., Building workers.]…”

Subjects: “…[Meat-packing industry., Employees.]…”