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Royal Observatory (Hong Kong)

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Annual Report of Director; Volume 1923
Annual Report of Director; Volume 1922
Annual Report of Director; Volume 1921
Annual Report of Director; Volume 1919
Annual Report of Director; Volume 1917
Annual Report of Director; Volume 1916
Annual Report of Director; Volume 1915
Annual Report of Director; Volume 1914
Annual Report of Director; Volume 1913
Annual Report of Director; Volume 1912
Annual Report of Director; Volume 1920
Annual Report of Director; Volume 1918
Meteorological Observations
Meteorological Observations