Astronomical Myths: Based on Flammarions's "History of the Heavens"

The Witness of the Stars

A Field Book of the Stars

Astronomical Discovery

Emanuel Swedenborg's Investigations in Natural Science and the Basis for His Statements Concerning the Functions of the Brain

The Day After Death; Or, Our Future Life According to Science (New Edition)

Pioneers of Science

History of Astronomy

The Herschels and Modern Astronomy

Einiges aus der Geschichte der Astronomie im Alterthum Rede zur Feier des Geburtstags Sr. Maj. des Deutschen Kaisers Königs von Preussen Wilhelm I. gehalten an der Christian-Albrechts

Ancient calendars and constellations

Eureka: A Prose Poem