Foundations for simple calculations of stone structures.Medieval stone houses at Utrecht and their relationship to those of other northwestern European citiesSimplified brick constructionConservation of cement and of clay bricksPreliminary consideration of the firing of common bricks : appendix VII7 of the third report of the Committee on the Brick IndustryAdvice on choice and color of building materialsSimplified brick structuresBrick DayHigh-quality facade insulation : standard details for cavity widths up to 15 cmTechnische Tagung in Berlin vom 15. bis 17. April 1929 : Gruppe 2 : Baustoffe und Bauweisen im Wohnungsbau