S. Knaller, „Always Dealing with Reality but Never Too Close to It: Original and Copy in Modern Aesthetics“, in The Transformative Power of the Copy: A Transcultural and Interdisciplinary Approach, C. Forberg und P. W. Stockhammer, Hrsg. Heidelberg: Heidelberg University Publishing, 2017, S. 69–83. doi: 10.17885/heiup.195.c1629.