• Facts and fancies in modern science: Studies of the relations of science to prevalent speculations and religious belief
• Life's Dawn on Earth: Being the history of the oldest known fossil remains, and their relations to geological time and to the development of the animal kingdom
• Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time
• Some Salient Points in the Science of the Earth
• The Chain of Life in Geological Time: A Sketch of the Origin and Succession of Animals and Plants
• The Geological History of Plants
• The Meeting-Place of Geology and History
• The Origin of the World According to Revelation and Science
• The Story of the Earth and Man