The Student's Manual of Geology
Archeological Survey of India
The Story of the Earth's Atmosphere
Correspondence
The Health of Glasgow, 1818-1925
Geometrodynamics
Popular Lectures on Theological Themes
An Introduction to the Physics and Chemistry of Baking
Les États-Unis et l’Unesco, 1944-1963
Text-book of Geology
Textbook on the Nursing and Diseases of Sick Children, for Nurses
Black Holes, Gravitational Waves, and Cosmology
The Connection of Geography and Astronomy: an Elementary Text Book for Department of Science and Art, Teachers' Certificate and Specific Subject Examinations
Elementary Lessons in Physical Geography
First-order Optical Analysis of a Quasi-microscope for Planetary Landers
Outlines of Natural History
Breve fra John Archibald Ray og Ib Henrik Cavling til redaktør Thorkild Behrens samt 2 mss. om disse af Behrens. Yderligere en udklipsbog om Ib Henrik Cavling i kopi