P. R. Cowley, «The Experience Curve and History of the Cellophane Business», Long Range Planning 18, № 6 (1985): 84–90.

Lewis A. Barness, «History of Infant Feeding Practices», The American Journal of Clinical Nutrition 46, № 1 (1987): 168-70; Donna A. Dowling, «Lessons from the Past: A Brief History of the Influence of Social, Economic, and Scientific Factors on Infant Feeding», Newborn and Infant Nursing Reviews 5, № 1 (2005): 2–9.