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

by Agnes M. Clerke

[1466] System of the Stars, p. 125.

[1467] Proc. Roy. Soc., vol. xv., p. 146.

[1468] Weiss, Astr. Nach., No. 1,590; Espin, Ibid., No. 3,200.

[1469] Comptes Rendus, t. lxxxiii., p. 1172.

[1470] Monatsb., Berlin, 1877, pp. 241, 826.

[1471] Copernicus, vol. ii., p. 101.

[1472] Burnham, Month. Not., vol. lii., p. 457.

[1473] Astr. Nach., No. 2,682.

[1474] A. Hall, Am. Jour. of Sc., vol. xxxi., p. 301.

[1475] Young, Sid. Messenger, vol. iv., p. 282; Hasselberg, Astr. Nach., No. 2,690.