Journal of Astronomical History and Heritage, Vol. 12, No.1 (March 2009)
Beijing: The Central Observatory, 192?
Journal of the North China Branch of the Royal Asiatic Society, Vol.XLVI,(1915),pp.101-116.
Journal of the North-China Branch of the Royal Asiatic Society, Vol. II, No.1 (September,1860), pp. 45-76.
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London: Strangeways and Walden, 1871.
Journal of the North China Branch of the Royal Asiatic Society. New Series, No. XII, 1878, pp. 91-95.
Interesting for its research possibilities (the author attempts to tie sunspots to famine in China).
A Google book