The positions and proper motions of the principal stars in the cluster of Coma Berenices as deduced from measurements of the Rutherfurd photographs ...
Published: 1900
Place of publication: New York
Language: eng
Number of pages: 138
Subjects: Stars; Clusters
Notes: Reprinted from the Annals of the New York academy of sciences, v.12

Contributions from the observatory of Columbia university, no. 16, p. 343-478.

Thesis (Ph. D.)--Columbia university.

Vita.

List of catalogues used : p. 4-11.