Richardson, G. F. (1846). Geology for beginners: Comprising a familiar explanation of geology, and its associate sciences, mineralogy, physical geology, fossil conchology, fossil botany, and palaeontology : including directions for forming collections, and generally cultivating the science, with a succinct account of the several geological formations (3rd ed., enl.). London: Henry G. Bohn.MLA Citation
Richardson, George Fleming. Geology for Beginners: Comprising a Familiar Explanation of Geology, and Its Associate Sciences, Mineralogy, Physical Geology, Fossil Conchology, Fossil Botany, and Palaeontology : Including Directions for Forming Collections, and Generally Cultivating the Science, With a Succinct Account of the Several Geological Formations. 3rd ed., enl. London: Henry G. Bohn, 1846.