H. Osman Newland

• Sierra Leone; its people, products, and secret societies
• The planting, cultivation, and expression of coconuts, kernels, cacao and edible vegetable oils and seeds of commerce
• The romance of modern commerce
• West Africa
• Local government handbook on education
• Planting, Cultivation, and Expression of Coconuts, Kernels, Cacao and Edible Vegetable Oils and Seeds of Commerce. a Practical Handbook for Plante
• Planting, Cultivation, and Expression of Coconuts, Kernels, Cacao and Edible Vegetable Oils and Seeds of Commerce. a Practical Handbook for Planters, Financiers, Scientists, and Others
• Sierra Leone; Its People, Products, and Secret Societies - a Journey by Canoe, Rail, and Hammock, Through a Land of Kernels, Coconuts, and Cacao, With
• Sierra Leone; Its People, Products, and Secret Societies; a Journey by Canoe, Rail, and Hammock, Through a Land of Kernels, Coconuts, and Cacao, with Instructions for Planting and Development
• The romance of commerce