In: Principles of geology : being an inquiry how far the former changes of the earth's surface are referable to causes now in operation / by Charles Lyell, (1835)

In: The Silurian system, founded on geological researches in the countries of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford : with the descriptions of the coal-fields and overlying formations / by Roderick Impey Murchison, (1839)

In: Species filicum : being descriptions of the known ferns, particulary of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which he has had access / by William Jackson Hooker, (1846)

In: Physical geography / by Mary Somerville, (1849)

In: Physical geography / by Mary Somerville, (1849)

In: Aide-Memoire to the Military Sciences : framed from contributions of officers of the different services / and edited by a Committee of the corps of Royal Engineers 1847-1853, (1850-)

In: The documentary history of the State of New-York / arranged under direction of Christopher Morgan, by E.B. O'Callaghan, (1850)

In: Mikrogeologie : das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbstständigen Lebens auf der Erde / von Christian Gottfried Ehrenberg, (1854)

In: The circle of the sciences : a cyclopaedia of experimental, chemical, mathematical, & mechanical philosophy, and natural history. The sections have been written by authors of great scientific eminence; amongst whom are: Professors Owen, Ansted, Tennant, and Young; Drs. Letheby, Bushnan, Scoffern, and others / ed. by James Wylde ; with an introductory discourse of the objects, pleasures, and advantages of science by Henry Lord Brougham, (1862-)

In: Nouvelle géographie universelle : la terre et les hommes / Elisée Reclus, (1882-)