1. Meryman, R., Andrew Wyeth: A Secret Life, HarperCollins, New York (1996) 118.
2. Marontate, J.L.A. ‘Synthetic media and modern painting: a case study in the sociology of innovation’, unpublished thesis, University of Montreal (1996).
3. Crook, J., and Learner, T., The Impact of Modern Paints, Watson-Guptill, New York (2000) 123.
4. Leonard Bocour to Paul Cummings, 8 June 1978, manuscript owned by Archives of American Art, copy in FAIC file.