Edward Charles Pickering

Pickering Edward C. , Fiftieth annual report of the Director of the Astronomical Observatory of Harvard College for the year ending September 30, 1895 (Cambridge, Mass., 1895), 3–4 and Fifty-seventh annual report … (Cambridge, Mass., 1902), 3.

Pickering Edward C. , “Journal of Edward C. Pickering, Director of Harvard College Observatory during the month of March, 1900”, Chest of 1900, diaries for the month of March 1900, Harvard University Archives, Cambridge, Mass.

See further the author's “Edward C. Pickering, the Henry Draper Memorial, and the beginnings of astrophysics in America”, Annals of science , xxxv (1978), 365–77.

Pickering Edward C. Draper Henry Mrs , 18 January 1887, Harvard College Observatory, Director's correspondence, Harvard University Archives, Cambridge, Mass.

Pickering Edward C. Bruce Wolfe Catherine Miss , [?] May 1890, ibid. .

Pickering Edward C. , “The endowment of astronomical research”, reprinted in Science , xx (1904), 299.

See further the author's “Edward C. Pickering and the endowment of scientific research in America”, Isis , lxix (1978), 44–57.

Pickering Edward C. , Sixty-seventh annual report … (Cambridge, Mass., 1913), 3.

This and the following diary quotes are from Pickering Edward C. , “Diary of a trip to Pasadena to attend meeting of Solar Union, August 1910”, Pickering Edward C. correspondence, Harvard University Archives, Cambridge, Mass. The “Diary” has been reprinted with critical apparatus by the author in Southern California quarterly , lx (1978), 29–44.

Pickering Edward C. , Seventieth annual report … (Cambridge, Mass., 1916), 3.