Arts Special Issue (https://www.mdpi.com/journal/arts):
“Colour and Light in Berlin and Wrocław (Breslau) Department Stores Built between 1927 and 1930”, Krystyna Kirschke and Paweł Kirschke, Faculty of Architecture, Wroclaw University of Science and Technology
https://www.mdpi.com/2076-0752/11/1/12