| 1850-1899 | 'My father has been quite sewed up for some days back, by Clifford’s article: (a fine article it was too);[…].' | Robert Louis Stevenson | William Kingdom Clifford | The Unseen Universe or Physical Speculations on a Future State | Print: Serial / periodical, Review article. Probably read in print after publication, but possibly in another earlier form since RLS was acquainted with its author. |