The Rutherfurd photographic measures of the stars about  Cygni
By: By Harold Jacoby
Series: Contributions from the Observatory of Columbia College, New York -- no. 4; Contributions from the Observatory of Columbia University -- no. 4
Published: 1892
Place of publication: New York
Language: eng
Number of pages: 348
Subjects: Stars; Clusters
Notes: Reprinted from the Annals of the New York Academy of Sciences, vol. VI.