The complex variation of DF Cygni
By: by Margaret Harwood
Contributors: Shapley, Harlow, 1885-1972
Series: Annals of the Astronomical Observatory of Harvard College -- v. 105, no. 28
Publisher: The Observatory
Published: 1937
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 535
Subjects: Variable stars
Other titles: Tercentenary papers
Notes: Caption title.

"Harlow Shapley, director"--Vol. t.p.

Includes bibliographical references (p. 524).