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FEDERATED MALAY STATES
Gallagher, William John. Coffee robusta. Kuala Lumpur, Federated Malay States, 1910. 7 pp.
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FRENCH INDO-CHINA
Briggs, Lawrence P. The coffee of French Indo-China. Tea and Coffee Trade Journal, 1917, XXXIII: 118–123.
Cramer, P.J.S. Coffee plantations of Tonkin, Philippine Agricultural Review, 1910, III: 94–100.
Paris. Président du syndicat des productions et explorateurs de Tourane. Le café d'Annam; étude pratique sur sa culture. Tourane, Annam, 1895. 95 pp.
GOLD COAST