Subjects: “…[Hague Peace Conference., War and peace., Jews.]…”

Subjects: “…[Duys, J.E.W., Radio., Caricature.]…”

Subjects: “…[Duys, J.E.W., Radio., Caricature.]…”

Subjects: “…[Kol, Henri Hubert van., Duys, J.E.W., Caricature.]…”

Subjects: “…., Troelstra, Pieter Jelles., Duijs, J.E.W., Caricature.]…”

Subjects: “…., Helsdingen, Willem Pieter Gerardus., Duys, J.E.W., Troelstra, Pieter Jelles., Rode Dinsdag., Caricature.]…”

Subjects: “…., Troelstra, Pieter Jelles., Duys, J.E.W., Old-age insurance., Medical insurance., Disablement insurance., Caricature.]…”

Subjects: “…., Vliegen, Willem Hubert., Duys, J.E.W., Caricature.]…”

Subjects: “…., Helsdingen, Willem Pieter Gerardus., Duijs, J.E.W., Wibaut, Florentinus Marinus., Kleerekoper, Asser B., Gerhard, A.H., Mendels, M., Polak, Eduard., SDAP., Caricature.]…”

Subjects: “…[Colijn, Hendrikus., Duys, J.E.W., Aalberse, P.J.M., Talma, Aritius Sybrandus., Kappeyne van de Coppello, J., Roëll, A., Brugmans, Hajo., Kolkman, M.J.C.M., Kuyper, Abraham., Heemskerk, Theodorus., Troelstra, Pieter Jelles., Bos, Dirk., Polak, Henri., Lely, C., Waterschoot van der Gracht, W.S.J. van., Wibaut, Florentinus Marinus., Caricature.]…”