Supporting data, regarding 'Comparison of observed and calculated structure factors for the crystal 4:4'-dinitrodiphenyl' by J N van Niekerk Structure factor tables for 4:4'-dinitrodiphenyl and a summary of van Niekerk's paper. Annotations in ink throughout. Note on front reads 'Not for printing'. Subject: Chemistry Written by van Niekerk at the University of Cape Town. The affiliated paper was published in volume 181 of the Proceedings of the Royal Society A as 'The crystal structure of 4:4'-dinitrodiphenyl [C12H8(NO2)2]'. February 1942