Helvoort, Ton van Department Experimental Systems and Spaces of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Helvoort, T. v. (2000). A dispute over scientific credibility: the struggle for an independent Institute for cancer research in pre-world war II Berlin. Studies in History and Philosophy of Science. Part C, Studies in History and Philosophy of Biological and Biomedical Sciences, 31(2), 315-354.