Bakewell, R. (1833). An introduction to geology: Intended to convey a practical knowledge of the science, and comprising the most important recent discoveries, with explanations of the facts and phenomena which serve to confirm or invalidate various geological theories (4th ed., greatly enl.). Longman, Rees, Orme, Brown, Green & Longman.

Bakewell, Robert. An Introduction to Geology: Intended to Convey a Practical Knowledge of the Science, and Comprising the Most Important Recent Discoveries, with Explanations of the Facts and Phenomena Which Serve to Confirm or Invalidate Various Geological Theories. 4th ed., greatly enl. Longman, Rees, Orme, Brown, Green & Longman, 1833.