A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[1616] Pop. Astr., No. 45.

[1617] Astroph. Jour., vol. i., p. 220.

[1618] Month. Not., vols. xxxi., p. 175; xxxii., p. 1.

[1619] The Stars, p. 273.

[1620] System of the Stars, p. 384; Old and New Astronomy, p. 749 (Ranyard).

[1621] Astroph. Jour., vol. xii., p. 156.

[1622] Publ. Astr. Pac. Soc., vol. ii., p. 242.

[1623] Month. Not., vol. li., pp. 40, 97. For reproductions of some of the photographs in question, see Knowledge, vol. xiv., p. 50.

[1624] Astr. Nach., No. 3,048; Observatory, vol. xiv., p. 301.

[1625] Proc. Roy. Inst., May 29, 1891 (Gill).