Smithsonian institution. Publication no. 2661, etc.
Online version: Smithsonian Astrophysical Observatory. Annals of the Astrophysical Observatory of the Smithsonian Institution
At head of title: v. 6- : Roebling Fund.
Vols. 4- issued as the institution’s Publication no. 2661 [etc.]
Plný text je volně přístupný
Vol. 1 is issued also as Exhibit B of a report of the secretary of the Smithsonian Institution with title: Appropriations expended, results reached, and present condition of the work of the Astrophysical Observatory, Washington, 1902; and again, in a Bureau edition with title: Annals of the Astrophysical Observatory, v. 1.