1. De Broglie's philosophy
2. Victoria & Albert Museum Conservation Department. Technical Notes on the Care of Art Objects, No. 1 – ‘The deterioration of art objects by light’. (1966).
3. ‘Light-fastness of the natural dyes’;PADFIELD;SIC,1966
4. LEENE, J.E., DEMENY, L., ELEMA, R.J., de GRAAF, A.J. and SURTEL, J.J.,4 Interim Reports on ‘Artificial ageing of yarns …’ to the ICOM Conservation Committee at meetings in Washington (1965), Brussels (1967), Amsterdam (1969) and Madrid (1972). Final Report, Venice (1975).
5. ‘The photochemistry of dyes’;EGERTON;J. Soc. Dyers Colour,1970