—— O fazendeiro de café em Ceylão. Rio de Janerio, 1875, 196 pp.
Van Spall, P.W.A. Verslag over de koffij en kaneelkultuur op het eiland Ceijlon. Batavia, 1863.
COLOMBIA
Saenz, Nicolas. Memoria sobre el cultivo del cafeto. Bogota, 1892. 65 pp. Also in French, Bruxelles, 1894. 121 pp.
COSTA RICA
Calvo, J.B. Coffee, its origin and propagation, its introduction and cultivation in Costa Rica. American Republics Bureau. Monthly Bulletin. 1904, XVIII: 1–6; 111–115.
—— Report on coffee with special reference to the Costa Rican product. Bureau of American Republics. Publications. Washington, 1901, 15 pp.
Costa Rica. Government. Estudio é informe sobre el café de Costa Rica. San José, 1900. 48 pp.
Field, Walter J. Coffee culture and preparation in Costa Rica. The Tea and Coffee Trade Journal, 1908, XV: 13.
Schroeder, John. Coffee culture in Costa Rica. San José, 1890. 4 pp.