books.google.comhttp://books.google.com/books/about/Account_of_Observations_of_the_Transit_o.html?id=Ge7mAAAAMAAJ&utm_source=gb-gplus-shareAccount of Observations of the Transit of Venus, 1874, December 8, Made Under the Authority of the British Government
Account of Observations of the Transit of Venus, 1874, December 8, Made Under the Authority of the British Government: And of the Reduction of the Observations