Hagen, Johann Georg, 1847- Die veranderlichen Sterne. — Freiburg. Herder & Co. G.M.B.H. 1921, 24. grams. Tables. in 4s.
** FH 5 141.40
2v. Charts. Dia- [Specola astronomica Vaticana. 5,6.] 31 cm.,
Contents. — 1. Geschichtlich-technischer Teil, von Johann Georg Hagen. 2. Mathematisch-physikalischer Teil, von Johann Stein. Literaturverzeichnis, vol. 1, pp. xii-xx; vol. 2, pp. x—xx.
This card was printed at the Boston ee Public Library, December 14, 1926. N3503 — Double main card.— Hagemann Georg, 1247-. (M1)—Stein, Johann,
S.J. (M2) — Stars. Variable. (1) — S.r. (1)