(A. M. C.)
[1] The Observatory, Nos. 231-234, 1895.
[2] Observations of Comets, translated from the Chinese Annals by John Williams, F.S.A. (1871).
[3] J.L.E. Dreyer, Proc. Roy. Irish Acad. vol. iii. No. 7 (December 1881).
[4] F.K. Ginzel, “Die astronomischen Kenntnisse der Babylonier,” C.F. Lehmann, Beiträge zur alten Geschichte, Heft i. p. 6 (1901).
[5] Knowledge and Scientific News, vol. i. pp. 2, 228.
[6] Astronomisches aus Babylon (Freiburg im Breisgau, 1889).
[7] Ginzel, loc. cit. Heft ii. p. 204.
[8] Die babylonische Mondrechnung, p. 50 (1900).