Survey of the spiral nebula Messier 33 by means of photographs taken by Dr. Isaac Roberts, F.R.S.
By: J.L.E. Dreyer
Contributors: Robert, Isaac
Series: Proceedings of the Royal Irish Academy -- v. 25, section A, no. 2
Publisher: Ponsonby and Gibbs
Published: 1904
Place of publication: Dublin
Language: eng
Number of pages: 30
Subjects: Spiral galaxies; Observations
Other titles: Spiral Nebula Messier 33
Notes: Title from cover.

Includes bibliographical references.