The Draper catalogue of stellar spectra photograhed with the 8-inch Bache telescope as a part of the Henry Draper memorial.

Mode of access: Internet.

Heliometer-determinations of stellar parallax in the southern hemisphere,

"From the Memoirs of the Royal Astronomical Society, vol. XLVIII."

Researches on the evolution of the stellar systems ...

v. 1. On the universality of the law of gravitation and on the orbits and general characteristics of binary stars.--v. 2. The capture theory of cosmical evolution, founded on dynamical principles and illustrated by phenomena observed in the spiral nebulae, the planetary system, the double and multiple stars and clusters and the star-clouds of the Milky way.

Researches on the chemical origin of various lines in solar and stellar spectra : being the results of investigations made at the Solar physics observatory, South Kensington, after discussion /

At head of title: Solar physics committee.