-
-
- The Spectator, 30 November 1895
- Year: 1895
-
- The Spectator, 28 September 1895
- Year: 1895
-
- The Spectator, 6 February 1897
- Year: 1897
-
-
-
- The Spectator, 20 February 1897
- Year: 1897
-
- The Spectator, 8 August 1896
- Year: 1896
-
- The Spectator, 22 February 1896
- Year: 1896
-
- The Spectator, 28 December 1895
- Year: 1895
-
- The Spectator, 19 October 1895
- Year: 1895
-
- The Spectator, 21 December 1895
- Year: 1895
-
- The Spectator, 21 September 1895
- Year: 1895
-
- The Spectator, 28 November 1868
- Year: 1868
-
- The Spectator, 12 September 1896
- Year: 1896
-
- The Spectator, 11 July 1896
- Year: 1896
-
- The Spectator, 5 December 1868
- Year: 1868
-
- The Spectator, 19 September 1896
- Year: 1896
-
- The Spectator, 4 April 1896
- Year: 1896
-
-
- Scientific American (Supplement), 21 April 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 30 November 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 28 September 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 6 February 1897
- Year: 1897
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 3 March 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 10 March 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 20 February 1897
- Year: 1897
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 8 August 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 February 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 28 December 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 19 October 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 21 December 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 21 September 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 28 November 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 12 September 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 11 July 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 5 December 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 19 September 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 April 1896
- Year: 1896
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 17 February 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York