Gerndt, H. When do images emerge?: Religious image practices in the late Middle Ages / Helge Gerndt. Origins of pictures : anthropological discourses in image science.(2013).

Gerndt, Helge. "When Do Images Emerge?: Religious Image Practices in the Late Middle Ages / Helge Gerndt." Origins of Pictures : Anthropological Discourses in Image Science.(2013) .

Gerndt, Helge. "When Do Images Emerge?: Religious Image Practices in the Late Middle Ages / Helge Gerndt." Origins of Pictures : Anthropological Discourses in Image Science.(2013), .