Papers of William Christie

General correspondence with various individuals concerning sunspots, solar theory, solar physics, the solar cycle, prominences and requests for sunspot photographs, 1893-1895, 1897 and 1899-1909.

Correspondence with G.E. Hale of Mount Wilson concerning the exchange of photographs for comparison as to evidence of cyclonic storms, 1908-1909.

Correspondence with A.W. Claydon of Exeter concerning the solar dust veil variability, 1911.

General correspondence concerning solar matters, 1913-1914.

Correspondence with the Director of the Indian Observatories concerning actinometer observations, 1914-1915.

General correspondence concerning solar matters, including correspondence with G.E. Hale of Mount Wilson, 1913-1914.

General correspondence concerning solar matters, including correspondence with Mount Wilson and the Meteorological Office, Kew, 1918-1922.