Letters of Euler on different subjects in physics and philosophy : addressed to a German princess ; translated from the French Q Science
The letters of Rusticus on the natural history of Godalming : extracted from the Magazine of natural history, the Entomological magazine, and the Entomologist Q Science
A letter to the Board of visitors of the Greenwich royal observatory in reply to the calumnies of Mr. Babbage at their meeting in June 1853, and in his book entitled The exposition of 1851 Q Science
Leucochloridium paradoxum. Monographische Darstellung der Entwicklungs- und Lebensgeschichte des Distomum macrostomum Q Science
Libro en honor de D.S. Ramón y Cjal; trabajos originales de sus admiradores y discípulos extranjeros y nacionales Q Science
Lichenographia europaea reformata. : Praemittuntur lichenologiae fundamenta. Compendium in theoreticum et practicum lichenum studium Q Science