...Bauzeitung 60 (September 14, 21, 28, 1912): 148-50, 165-67, 178; also issued as an offprint. 8 See Thomas AP van Leeuwen, "The Method of Ariadne: Tracing...Some American Sources and Their Dutch Recipients," in Boiiwen in Nederland: Leids kunsthistorisch jaarboek, vol. 3, 1984 (Delft: DUP, 1985), 239-64. My thanks...