In: The Imperial encyclopaedia or, Dictionary of the sciences and arts : comprehending also the whole circle of miscellaneous literature. In this work all the sciences are digested in a systematic form, and exhibited according to the present highly improved state of knowledge; and every term of art amply explained in alphabetical order. The whole including all the modern discoveries in astronomy, chemistry, electricity, galvanism, geography, domestic and political oeconomy, &c. &c. &c. ; with a general view of all empires, kingdoms, states, countries, mountains, seas, rivers, lakes, &c. &c. &c. and a concise account of patriarchs, prophets, apostles, philosophers, poets, painters, authors and their works, heroes, lawyers, and statesmen, with every other topic of information essential to a work of this nature / by W.M. Johnson and Thomas Exley, (1812)

In: Bibliographie générale de l'astronomie / par J. C. Houzeau, et A. Lancaster, (1882-)

In: Handbuch der Astronomie, ihrer Geschichte und Litteratur / von Rudolf Wolf, (1890-)

In: Lehrbuch der Petrographie / von Dr. Ferdinand Zirkel, (1893-)