Calves' Heads and Brains or a Phrenological Lecture Read more about Calves' Heads and Brains or a Phrenological Lecture
History of the extinct volcanoes of the basin of Neuwied on the Lower Rhine Read more about History of the extinct volcanoes of the basin of Neuwied on the Lower Rhine
The Volcanic District Bounded by the Rivers Nette and Bruhl on the Lower Rhine Read more about The Volcanic District Bounded by the Rivers Nette and Bruhl on the Lower Rhine
The Balloon Prospect Over Helsbye Hill in Chester Read more about The Balloon Prospect Over Helsbye Hill in Chester