1. pioneer of industrial research in the Netherlands;Casimir;Philips Tech. Rev.,1982
2. ibid. Haphazard Reality: Half a Century of Science, Harper & Row, 1984. In this autobiography, prof. Casimir, one of Holst's successors, summarizes the principles according to which Holst had organized the NatLab in the form of a set of ten rules.
3. Bookseries "Verzameling van Publikaties en Octrooien van Prof. dr. K.H.J. Buschow", Philips Electronics N.V., 1994.
4. Magnetism and magnetic materials: historical developments and present role in industry and technology;Enz,1982
5. Ferrites;Smit,1959