17. Write a history of one of the following, as a ware of commerce in the nineteenth century: rubber, tea, coffee.
18. History of sugar as a commodity. [See the doctor’s dissertation by Ellen D. Ellis, Philadelphia, 1905.]
19. What amount of tea, coffee, and sugar does your household consume in a year? (Note that sugar is frequently purchased in preserves, cake, etc.)
20. History of beet sugar. [Encyclopedias; index to periodical literature; U. S. Monthly Summary, Jan., 1902, vol. 9, no. 7, pp. 2585-2763.]
21. Some effects of the system of sugar bounties. [Charles S. Parker, Free trade and cheap sugar, Fortnightly Review, 1898, 70: 44-53.]
22. The Brussels sugar conference. [Economic Journal, June, 1902, 12: 217 ff.; same, March, 1904, 14: 34 ff.; Quarterly Journal of Economics, Nov., 1902, 17: 1 ff., Contemporary Review, Jan., 1903, 83: 75.]
BIBLIOGRAPHY
As this chapter touches the field of commercial geography I refer, for bibliography and general reading, to the current manuals on that subject: C. C. Adams, Text-book, N. Y., Appleton; G. S. Chisholm, Handbook, N. Y., Longmans; Joseph Russell Smith, Industrial and commercial geography, N. Y., Holt.
References in quantity sufficient for ordinary students are given in the Questions and Topics above; further references will be given when the history of the commerce of specific countries is considered.