- GEMS FROM SRI LANKA: RUBIES, SAPPHIRES, PEARLS. MINES AND HISTORY
- AGRICULTURE IN SRI LANKA: LAND USE AND TENURE, HISTORY AND METHODS
- CROPS IN SRI LANKA: RICE, RUBBER, COCONUTS, FRUITS, CINNAMON AND SPICES
- TEA IN SRI LANKA: HISTORY, CULTIVATION, PRODUCTION, BUSINESS AND EXPORTS
- TEA CULTIVATION AND PRODUCTION
- TEA: ITS HISTORY, HEALTH AND DIFFERENT KINDS OF TEA
- RICE: PLANT, CROP, FOOD, HISTORY AND AGRICULTURE
- RICE PRODUCTION: EXPORTERS, IMPORTERS, PROCESSING AND RESEARCH
- LEGUMES: BEANS, PEAS AND THEIR HISTORY AND PRODUCERS
- COCONUTS: PALMS, PARTS, USES, PRODUCTS
- COCONUT CULTIVATION: HARVESTING, MONKEYS, PRODUCERS
- SPICES, INCLUDING SAFFRON, GINGER AND SALT
- CLOVES, MACE AND NUTMEG: THE SPICE ISLANDS SPICES
- CINNAMON: SOURCE, CULTIVATION, PRODUCERS
- PEPPER: HISTORY, AGRICULTURE, PRODUCERS AND EXPORTERS
- VANILLA: ITS HISTORY, CULTIVATION AND PROCESSING
- WATER BUFFALOES: CHARACTERISTICS, BEHAVIOR AND REPRODUCTION
- WATER BUFFALOES AND HUMANS
- BETEL NUT: BOTANY, PRODUCTION AND HEALTH
- CASHEWS: TREES, CULTIVATION, PRODUCERS
- JACKFRUIT: TREES, CULTIVATION, FOODS, PLANT-BASED MEAT
- JACKFRUIT: TREES, CULTIVATION, FOODS, PLANT-BASED MEAT
