Necrology characterizing Merkelbach by referring to one of his first built designs, housing at Landlust (Amsterdam), and his last built design, the GAK building (Amsterdam). Tetterode is cited as the best example of beauty in his work. Illustrations: portrait of Merkelbach/; photo of exterior/Armers' houses "Het Westen" Landlust Amsterdam; photo of exterior/Extension factory building NV Lettergieterij "Amsterdam" (formerly N. Tetterode) Da Costakade e.o. Amsterdam; photo of exterior/Office building Common Administration Office (GAK) Bos en Lommerplantsoen Amsterdam