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

by Agnes M. Clerke

[21] Ibid., vol. xcvi., p. 205.

[22] "Ingens bolus devorandus est," Kepler admitted to Herwart in May, 1603.

[23] Described in "Præfatio Editoris" to De Revolutionibus, p. xix. (ed. 1854).

[24] Opere, t. i., p. 415.

[25] Phil. Trans., vol. xvii., p. 848.

[26] Ibid., vol. lxxii., p. 97.

[27] Doberck, Observatory, vol. ii., p. 110.

[28] Phil. Trans., vol. lvii., p. 249.

[29] Ibid., vol. lxxiv., p. 56.

[30] Beobachtungen von Fixsterntrabanten, 1778; and De Novis in Cœlo Sidereo Phænomenis, 1779.