(53) UNITED STATES DEPARTMENT OF COMMERCE, BUREAU OF FOREIGN AND DOMESTIC COMMERCE.

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(55) WADSWORTH, R. V.

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(57)

1920. NOTE ON THE SOLUBILITIES OF THEOBROMINE.
134.

Analyst 45: 133

1921. THE ESTIMATION OF THEOBROMINE IN COCOA AND ITS PRODUCTS. Analyst 46: 32-37.

1922. THE THEOBROMINE CONTENT OF CACAO BEANS AND COcoa. Analyst 47: 152-161.

(58) WHYMPER, R.

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(53) UNITED STATES DEPARTMENT OF COMMERCE, BUREAU OF DOMESTIC COMMERCE.

(54)

1924. FOREIGN COMMERCE AND NAVIGATION OF THE UNITED S
Dept. Com., Bur. Foreign and Dom. Com. Ann.
6, 649 p.

1925. MONTHLY SUMMARY OF FOREIGN COMMERCE OF THE I
PART I, DECEMBER, 1924. 67 p. Washington.

(55) WADSWORTH, R. V.

1920. NOTE ON THE SOLUBILITIES OF THEOBROMINE.
134.

Ana

(56)

1921. THE ESTIMATION OF THEOBROMINE IN COCOA AND
Analyst 46: 32-37.

(57)

1922. THE THEOBROMINE CONTENT OF CACAO BEANS AND (
47: 152-161.

(58) WHYMPER, R.

1921. COCOA AND CHOCOLATE: THEIR CHEMISTRY AND
Ed. 2, 568 p., illus. London.

(59) WILSON, R. E.

1924. COUNTERCURRENT EXTRACTION. (U. S. Patent
U. S. Patent Office, Off. Gaz. 322: 450, illus.
(60) WINTON, A. L., SILVERMAN, M., and BAILEY, E. M.
1903. ANALYSIS OF AUTHENTICATED SAMPLES OF COCO
State Agr. Expt. Sta. Ann. Rpt. (1902) 26: 27

(61) ZIPPERER, P.
1902. THE MANUFACTURE OF CHOCOLATE AND OTHER
TIONS. Ed. 2, 277 p., illus. Berlin, Londor
Ed. 4, in German, rev. and enl. by H. Schaeffe
338, p., illus. Berlin 924.)

LEMS OF

MARKS

istant Marketing

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34

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Cooperative assotween 1915 and elative prices for le 1) indicate an associations of a

singly difficult to ey to the growers. other commodities es. Consequently, orable than during under more unfax numbers for the

problems of the smaller

1

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