MCKENNA, W.E. Cause of advance in price. Public, 1912, XV: 508.

OLAVARRIA, I.A. Liga de los paises cafeteros. _Caracas_, 1898. 20 pp.

PAYEN, eDOUARD. Au Bresil: la valorisation du cafe. Questions diplomatique et coloniales, XXIV: 728-740.

RAISING prices by destruction. Nation, 1909. Lx.x.xVIII: 520-521.

RAMOS, F. FERREIRA. La valorisation du cafe au Bresil. 1907.

RATZKA-ERNST, CLARA. Welthandelsartikel und ihre Preise. Eine Studie zur Preisbewegung und Preisbildung. Der Zucker, der Kaffee und die Baumwolle. _Munchen_, 1912. 244 pp.

SCHMIDT, FRITZ. Die Kaffeevalorisation. Jahrbucher fur Nationalokonomie und Statistik, 1909, ser. 3, x.x.xVIII: 662-670.

SIELCKEN, HERMANN. Coffee valorization explained. Tea and Coffee Trade Journal, 1911, XXI: 471-481.

---- A defense of valorization. Tea and Coffee Trade Journal, 1912, XXIII, Supplement to no. 6: 17-21.

SLOSS, R. Why coffee costs twice as much. World's Work, 1912, XXIV: 194-205.

SUIT against the coffee trust. Nation, 1912, XCIV: 508-509.

SYNDICAT general de defense du cafe et des produits coloniaux.

Bulletin, _Paris_, 1911, II: No. 6.

THEISS, LEWIS EDWIN. Why the price of coffee increases. Showing how a few rich men, who want to be richer, are pushing up the price of coffee. Pearson's Magazine, 1911, XXVI: 456-463.

TURMANN, MAX. Un etat qui fait du commerce. Le Bresil et la valorisation du cafe. La Revue hebdomadaire, 1909, VIII: 450-470.

UKERS, WILLIAM H. The great coffee corner. Sat.u.r.day Evening Post, 1909, CLx.x.xI: 5-7.

VALORIZING coffee. Review of Reviews, 1912, XLVI: 21-22.

VALUE of coffee. Current Literature, 1903, x.x.xV: 746-747.

WESSELS, L. De opheffing van het monopolie en de vervanging van de gedwongen koffie-cultuur op Java door een staatscultuur in vrijen arbeid. _'s Gravenhage_, 1890. 72 pp.

WILEMAN, J.P. Unparalleled valorization. Tea and Coffee Trade Journal, 1911, XX: 444-445.

ZUR Frage der Kaffee-Valorisation. Deutsche Wirtschafts-Zeitung, 1913, IX: 237-243.