Superintendent's office 1922-1923 by J.J.P. Oud / Piet Vollaard, Paul Groenendijk ; [transl. from the Dutch]Lenin tribune 1920/1924, El Lissitzky / Paul Groenendijk, Piet Vollaard ; [transl. from the Dutch by El Lissitzky]Café de Unie 1924/1925 by J.J.P. Oud / [text] Umberto Barbieri ; [model-design]: Paul Groenendijk, Piet Vollaard ; transl. from the Dutch]