Archive box includes: - Multiple commission for the extension of the Lower House in The Hague.- Esch : Hubert Jan Henket Architects, February 1997 - Extension housing Lower House : conceptual preliminary design. - Utrecht : archuitectenbureau Wouda, February 19, 1997 - Werkboek uitbreiding Tweede Kamer. - Amsterdam : Benthem Crouwel, February 20, 1997 + loose budget - Extension housing Lower House. - [2 dl.]. - Wiel Arets, February 20, 1997 - [Untitled]. - Mart van Schijndel, [1997] - Plein 23 - Amsterdam : Architekten Cie, February 1997 + loose 'proposed and structural solutions' + loose 'guideline' - Plein 23 : result of the multiple commission / Wytze Patijn....[et al.] - Ministry of VROM, 1997 - Bouwhistorisch onderzoek Plein 23 's-Gravenhage. Rijksgebouwendienst, 1985