Phoebe. The planet.
Harvard College. Astronomical Observatory. *5920.3.60 Positions of Phoebe. 1898-1904. (In Harvard College. Astronomical Observatory. Annals. Vol. 60, pp. 45-85. Cambridge, Mass. 1908.)
 
This card was printed at the Boston Public Library, May 12, 1909. H181 — Phoebe. The planet.