Charles Sotheran (1847-1902) was the British author of: Genealogical Memoranda Relating to the Family of Sotheron (1871), Percy Bysshe Shelley as a Philosopher and Reformer (1876), Manchester Diocesan Church Calendar (1873-74), Alessandro Di Cagliostro: Impostor or Martyr? (1876) and Horace Greeley and Other Pioneers of American Socialism (1892). Это и многое другое вы найдете в книге Percy Bysshe Shelley as a Philosopher and Reformer (Dodo Press) (Charles Sotheran)