Isi bahasan: Light, Lima, Lincoln, Linguistics, Lisbon, The art of literature, The history of western literature, Locke, The history and kinds nof logic, London, Los angeles, Luther, Luxembourg, Madagascar, Madrid, Malta, Mammals, mManchester, Manila, Mao zedong, Mapping and sueveying, Marketing and merchandising, Markets, Marseille, Marx and marxism, Masks, Materials science, The foundations of mathematics, The history of east asian mathematics, The history of south asian mathematics, The history of western mathematics, Matter: its properties, states, varieties, and behaviour, Maxwell, Measurement systems, Mecca and medina, Mechaniscs: energy, forces, and their treatment, The history of ancient mesopotamia, Metabolism.