| Alchemy | Genetic Continuity |
| Astrology | Health and Disease |
| Atomism: Antiquity to the Seventeenth Century | Indeterminacy in Physics |
| Atomism in the Seventeenth Century | Inheritance of Acquired Characteristics (Lamarckian) |
| Biological Conceptions in Antiquity | Inheritance through Pangenesis |
| Biological Homologies and Analogies | Longevity |
| Biological Models | Changing Concepts of Matter from Antiquity to Newton |
| Conservation of Natural Resources | Nature |
| Cosmic Images | Newton and the Method of Analysis |
| Cosmic Voyages | Optics and Vision |
| Cosmology from Antiquity to 1850 | Orgranicism |
| Cosmology since 1850 | Recapitulation |
| Entropy | Relativity |
| Environment | Space |
| Environment and Culture | Spontaneous Generation |
| Evolutionism | Technology |
| Experimental Science and Mechanics in the Middle Ages | Time and Measurement |
| Uniformitarianism and Catastrophism |