Variable Stars of Long Period

Variable Stars of Short Period

Photometric Measurements of the variable Stars ß Persei and DM. 81?? 25, made at the Harvard College Observatory: (Aus den Proceedings of the American Academy of Arts and Sciences Vol. 16.)

On the Spectrum of [Zeta] Ursae Majoris

Photometric Observations Made Principally with the Equatorial Telescope of Fifteen Inches Aperture During the Years 1877 - 79, by Edward C. Pickering, Aided by Arthur Searle and Winslow Upton

Dimension of the Fixed Stars: With Special Reference to Binaries and Variables of the Algol Type

Atmospheric Refraction: Parts 1-2

Observations with the Meridian Photometer During the Years 1879-82

Elements of Physical Manipulation: Part 1