Potsdam: Muller & Kiephenhauer Verlag, 1928.
Quarto, 74 pages. Photographically illustrated. First edition. the first book by architect Rudolf Schwarz. Schwarz worked in the periphery of the Bauhaus and was a significant figure in the field in the twenties and early thirties. He had a great influence on his friend Mies Van der Rohe. The photographic illustrations are by Renger-Patzsch, and this remains the most elusive of the photographer's books. Very scarce. [OCLC locates 12 copies worldwide, with only two in the US, at MOMA and the National Gallery].