The internal motion and mass of the Pleiades cluster
By: by John Titus
Published: 1938
Place of publication: Albany]
Language: eng
Number of pages: 11
Subjects: Stars; Clusters
Other titles: Pleiades cluster
Notes: Cover-title.

Vita.

"Reprinted from the the Astronomical journal, no. 1082."

Thesis (Ph. D.)--Columbia university, 1938.

Thesis note on label mounted on cover.

"References": p. 11.