Helen B. Sawyer A Bibliography of Individual Globular Clusters

464 Publications of the David Ditnlap Observatory
1923 Wirtz, C. Flachenhelligkeiten von 566 Nebelflecken und Sternhaufen
nach photometrischen Beobachtungen am 49-cm Refraktor der Univ.
Stern. Strassburg. (Elsass). Lund. Medd., ser. 2, no. 29, 63 pp.
1923 von Zeipel, H. Om stjiirngruppernas natur. Pop. A. Tids., v. 4, pp. 1-15.
1924 ten Bruggencate, P. Die Bedeutung von Farbenhelligkeitsdiagrammen
fur das Studium der Sternhaufen. Probleme der Astronomie;
Festschrift fur H. v. Seeliger, Berlin. Pp. 50-65.
1924/ Silberstein, L. The curvature of de Sitter's space-time derived from
globular clusters. M. N., v. 84, pp. 363-6.
1924/7 Silberstein, L. The radial velocities of globular clusters, and de
Sitter's cosmology. Nature, v. 113, pp. 350-1.
1924 Vogt, H. Flachenhelligkeiten von Nebelflecken und Sternhaufen. A. .V.,
v. 221, pp. 11-14.
1925 Larink, J. Die kugelformigen Sternhaufen. WeUatt, v. 25, pp. 1-4, 18-24.
1925 Nabokov, M. L'eclat integral des amas stellaires. Rus. A. J., v. 2
(1), pp. 51-68.
1925 Stromberg, G. Analysis of radial velocities of globular clusters and non-
galactic nebulae. ML IF. Cow/., no. 292; Ap. J., v. 61, pp. 353-62.
1925 Doig, P. Notes on the nebulae and clusters in Webb's "Celestial objects
for common telescopes". B. A. A. Jour.
a. Pt. 1, v. 35, pp. 159-67.
b. Pt. 2, v. 35, pp. 280-4.
c. Pt. 3, v. 35, pp. 316-18.
d. Pt. 4, v. 36, pp. 58-62, 1926.
e. Pt. 5, v. 36, pp. 88-91, 1926.
/. Pt. 6, Southern objects, v. 36, p. 91, 1926.
1926 Doig, P. Sir William HerschcTs estimates of globular cluster distances.
B. A. A. Jour., v. 37, pp. 99-102.
1926 Nabokov, M. Ergebnisse von Beobachtungen iiber die Sternhaufen.
A. N., v. 228, pp. 425-8.
1926 Parvulesco, C. Sur les amas globulaires d'etoiles et leurs relations dans
l'espace. Bull. Astronomique, Mem. et Var., ser. 2, v. 5, pp. 5-140.
a. Spiral nebulae around clusters.
b. Spectral type and absolute magnitude.
c. The number of variables per 100 stars.
d. Luminosity and density laws.
e. Parallaxes.
/. Table of 91 globular clusters.
1926 Reinmuth, K. Die Herschel-Nebel nach Aufnahmen der Konigstuhl-
Sternwarte. Verbff. der Badischen Sternwarte zu Heidelberg, no. 9;
Heidel. Ak. iciss. Math.-Nat. Kl. Abhand., abhang 13.
1926/ Vorontsov-Velyaminov, B. Catalogue of integrated magnitudes of star
clusters. A. N., v. 226, pp. 195-8.
1926// Vorontsov-Velyaminov, B. Integral magnitudes of south star clusters.
A. N., v. 228, pp. 325-8.