Brussels: Editions de la Connaissance, 1939. Le Cobusier, Breuer. First edition. Soft cover. 94p + 10p of ads, many photos, plans, and line ills. In the publisher's series Architecture et Technique, but apparently all published. Good (cover wear, outer pages foxed). Item #31810
Introduction to the principles of order, economy, proportion, and hygiene in designing and engineering modernist houses and apartment buldings. Works by Bourgeois, Breuer, Le Corbusier, and many others, chiefly French and Belgian. Very scarce: 5 copies in WorldCat, all outside the US. Can be sent outside the US for less than the default shipping rate.