Southern double star catalogue -19⁰ to -90⁰
By: compiled by R.T.A. Innes ; with the collaboration of B.H. Dawson and W.H. van den Bos
Contributors: South Africa. Ministry of the Interior; Union Observatory (South Africa)
Series: Harvard astronomy preservation microfilm project -- 30567
Publisher: Union Observatory
Published: 1927
Place of publication: Johannesburg, S.A
Language: eng
Subjects: Double stars; Catalogs
Other titles: Southern double star catalogue
Notes: At head of title, v. [1]: Union of South Africa (Ministry of the Interior); v. [2]-[4]: Union Observatory.

Paging irregular: v. 3, p. 141a comes before p. 141.
Table of contents: title: [v. 1] 0 h to 5 h; title: [v. 2] 6 h to 11 h; title: [v. 3] 12 h to 17 h; title: [v. 4] 18 h to 23 h. Rejected stars.