Subjects: “…[Brussel, Piet., Portrait.]…”

Subjects: “…[Brussel, Piet., Portrait.]…”

Subjects: “…[Brussel, Piet., Portrait.]…”

Subjects: “…[Brussel, Piet., Portrait.]…”

Subjects: “…[Brussel, Piet., Portrait.]…”

Subjects: “…[Brussel, Piet., Spijkers, Piet., Industriebond NKV., Group portrait.]…”

Subjects: “…[Wamsteeker, Wim., Brussel, Piet., Groenevelt, Arie., Spijkers, Piet., Industriebond FNV., Group portrait.]…”

Subjects: “…[European Bureau for Conscientious Objection (Brussels)]…”

Subjects: “…[European Bureau for Conscientious Objection (Brussels)]…”

Subjects: “…[European Bureau for Conscientious Objection (Brussels)]…”

Subjects: “…[Groenevelt, Arie., Brussel, Piet., Erdbrink, R.J., Dijk, H. van., Prins, A., Laurier, L., Strikes., Collective labour agreement., Metal industry., Group portrait.]…”

Subjects: “…., European Bureau for Conscientious Objection (Brussels), Group portrait.]…”

“…Brussels (Belgium).…”

Subjects: “…., Smit, J.M., Erdbrink, R.J., Brussel, F., Beukma Toe Water, ..., Bosch, ..., Aalberse, P.J.M.,, Vaassen, N.J., Maas, H., Horbach, ..., Gijsen, Chr., Veen, van., Liefaard, Wim., Loen, B. van., Geurts, A., Heynen, Chr., Nederlandse Katholieke Bond van Werknemers(sters) in Industriële Bedrijven "Sint Willibrordus"., Anniversaries., Group portrait.]…”