Lectures on Stellar Statistics

The Heavens Above: A Popular Handbook of Astronomy

The music of the spheres

Extra-galactic nebulae

Other Worlds Their Nature, Possibilities and Habitability in the Light of the Latest Discoveries

Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work

The Practical Astronomer Comprising illustrations of light and colours--practical descriptions of all kinds of telescopes--the use of the equatorial-transit--circular, and other astronomical instruments, a particular account of the Earl of Rosse's large telescopes, and other topics connected with astronomy

Mathematische Geographie für Lehrerbildungsanstalten

The Destinies of the Stars

The Story of the Heavens

Astronomy for Amateurs

The New Astronomy