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QUEBRACHO EXTRACT STOCKS AND PRODUCTION FOR 1919. U. S. Dept. Com., Bui'. 



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the tannin content of dead chestnut trees. Jour. Amer. Leather Ckein. 

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THE SYNTHETIC TANNINS AND THEIR USE IN TANNING. Sci. Amer. Monthly 1 



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Norton. T. H. (15516) 



tanning materials of latin America. U. S. Dept. Com., Bur. Foreign and 

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Parker. J. G., and Blockey, F. A. (15517) 



relattve tanning values of different species of myrobalans. Oil, Paint, 

 and Drug Reporter 65 (1) : 24-27. 1904. 



Phillips. R. O. (15518) 



manufacture of quebracho extract. Chem. and Metall. Engin. 32 (13) : 

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Pinkerton, J. L. (15519) 



the wattle industry in natal. U. S. Dept. Com.. Bur. Foreign and Dom. 

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HARVESTING TAN BARK AND THE PROBLEM OF MEETING THE DEMAND IN THE 



future. Sci. Amer. Sup. 74 : 408-409, illus. 1913. 



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OUR PRESENT AND FUTURE SOURCES OF VEGETABLE TANNINS. Sci. Amer. 114 (23) : 



580-581, 603-604, illus. 1916. 



Rohrman, F. A. (15522) 



tannin from western hemlock. Timberman 27 (9) : 202. 1926. 



Scalione, C. C, and Merrill, D. R. (15523) 



the tannin content of redwood. Jour. Indus, and Engin. Chem. 11 : 643-644. 

 1919. 



Schneiderhan, F. J. (15524) 



THE BLACK WALNUT (JUGLANS NIGRA L.) as a cause of the death of apple 

 trees. Phytopathology 17 : 529-540, illus. 1927. 



Smith, J. A. (15525) 



development of the tanning industry in india. U. S. Dept. Com., Bur. 

 Foreign and Dom. Com., Com. Repts. 246 : 388-394. 1919. 



Stewart, N. B. (15526) 



natal wattle bark for united states. U. S. Daily Cons. Rept. 155 : 89. 

 1913. 



Templeton, H. L., and Sherrard, E. C. (15527) 



tannin content of western hemlock after immersion in sea water. Indus. 

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Trimble, Henry. (15528) 



mangrove tannin. Pa. Univ. Bot. Lab. Contrib. 1 : 50-55. 1892. 



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materials used for tanning. Jour. Franklin Inst. 123 : 442-449. 1887. 



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ON THE TANNING PROPERTIES OF THE BARK OF THREE NORTH AMERICAN TREES. 



Gard. and Forest 8 : 293. 1895. 



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tannin of some acorns. Amer. Jour. Pharm. 68: 601-604. 1896. 



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the tannins. 2 v. Philadelphia. 1892-94. 



