
Sylvester Graham's Lectures on the Science of Human Life https://books.google.it/books?id=nRwDAAAAQAAJ, condensed by T. Baker, Manchester: John Heywood, 1881, p. 76.
Essays on Diet (1883); quoted in Prof. Francis William Newman http://www.ivu.org/history/europe19b/newman.html at the International Vegetarian Union website.
Sylvester Graham's Lectures on the Science of Human Life https://books.google.it/books?id=nRwDAAAAQAAJ, condensed by T. Baker, Manchester: John Heywood, 1881, p. 76.
Source: The New Dietetics, What to Eat and How: A Guide to Scientific Feeding in Health and Disease, Battle Creek, MI: The Modern Medicine Publishing Co., 1921, p. 366 https://books.google.it/books?id=TNsMAwAAQBAJ&pg=PA366.
Wars I Have Seen (1945)
Philozoia; or Moral Reflections on the Actual Condition of the Animal Kingdom, and on the Means of Improving the same, Brussels: Deltombe and W. Todd, 1839, pp. 42 https://books.google.it/books?id=hdVq93Ypgu0C&pg=PA42-43.
The Animal Kingdom https://books.google.it/books?id=gKBgAAAAcAAJ&pg=PA0, trans. H. McMurtrie, London: Orr and Smith, 1834, p. 37.