For casein see Tague’s article in Rogers’ “Industrial Chemistry” (Van Nostrand).  See also Worden’s “Nitrocellulose Industry” and “Technology of the Cellulose Esters” (Van Nostrand); Hodgson’s “Celluloid” and Cross and Bevan’s “Cellulose.”

For references to recent research and new patent specifications on artificial plastics, resins, rubber, leather, wood, etc., see the current numbers of Chemical Abstracts (Easton, Pa.) and such journals as the India Rubber Journal, Paper, Textile World, Leather World and Journal of American Leather Chemical Association.

The General Bakelite Company, New York, the Redmanol Products Company, Chicago, the Condensite Company, Bloomfield, N.J., the Arlington Company, New York (handling pyralin), give out advertising literature regarding their respective products.

CHAPTER VIII

Sir William Tilden’s “Chemical Discovery and Invention in the Twentieth Century” (E.P.  Dutton & Co.) contains a readable chapter on rubber with references to his own discovery.  The “Wonder Book of Rubber,” issued by the B.F.  Goodrich Rubber Company, Akron, Ohio, gives an interesting account of their industry.  Iles:  “Leading American Inventors” (Henry Holt & Co.) contains a life of Goodyear, the discoverer of vulcanization.  Potts:  “Chemistry of the Rubber Industry, 1912.”  The Rubber Industry:  Report of the International Rubber Congress, 1914.  Pond:  “Review of Pioneer Work in Rubber Synthesis” in Journal of the American Chemical Society, 1914.  Bang:  “Synthetic Rubber” in Metallurgical and Chemical Engineering, May 1, 1917.  Castellan:  “L’Industrie caoutchouciere,” doctor’s thesis, University of Paris, 1915.  The India Rubber World, New York, all numbers, especially “What I Saw in the Philippines,” by the Editor, 1917.  Pearson:  “Production of Guayule Rubber,” Commerce Reports, 1918, and India Rubber World, 1919.  “Historical Sketch of Chemistry of Rubber” by S.C.  Bradford in Science Progress, v.  II, p. 1.

CHAPTER IX

“The Cane Sugar Industry” (Bulletin No. 53, Miscellaneous Series, Department of Commerce, 50 cents) gives agricultural and manufacturing costs in Hawaii, Porto Rico, Louisiana and Cuba.

“Sugar and Its Value as Food,” by Mary Hinman Abel. (Farmer’s Bulletin No. 535, Department of Agriculture, free.)

“Production of Sugar in the United States and Foreign Countries,” by Perry Elliott. (Department of Agriculture, 10 cents.)

“Conditions in the Sugar Market January to October, 1917,” a pamphlet published by the American Sugar Refining Company, 117 Wall Street, New York, gives an admirable survey of the present situation as seen by the refiners.

“Cuban Cane Sugar,” by Robert Wiles, 1916 (Indianapolis:  Bobbs-Merrill Co., 75 cents), an attractive little book in simple language.