[92] Bishop, J. Leander. A History of American Manufactures, 1608 to 1860. New York.
[93] Oberholtzer, Ellis Paxson. Philadelphia: a history of the city and its people. Philadelphia, 1912. (vol. 1: p. 106.)
[94] Freeman, W.G. The World's Commercial Products. Boston, (p. 176.)
[95] Tea and Coffee Trade Jour., 1918. (vol. xxxv: no. 4.)
[96] Dr. Cramer considers C. Maragogipe "the finest coffee known; it has a highly developed, splendid flavor."
[97] Journal of the Association of Official Agricultural Chemists, Nov. 15, 1921. (vol. v: no. 2: pp. 274–288.)
[98] The Tea and Coffee Trade Jour., 1912. (vol. xxiii: no. 3.)
[99] Die Menschlichen Genussmittel, 1911. (p. 300.)
[101] These and all other numbered drawings in this chapter are from Andrew L. Winton's The Microscopy of Vegetable Foods, copyright 1916, and reprinted by permission.