-
-
-
- The Spectator, 8 December 1894
- Year: 1894
-
- The Spectator, 9 February 1895
- Year: 1895
-
- The Spectator, 13 April 1895
- Year: 1895
-
- The Spectator, 22 June 1895
- Year: 1895
-
- The Spectator, 20 July 1895
- Year: 1895
-
- The Spectator, 16 March 1895
- Year: 1895
-
- The Spectator, 31 October 1868
- Year: 1868
-
-
- Scientific American (Supplement), 26 August 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 15 July 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 8 December 1894
- Year: 1894
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 9 February 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 13 April 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 June 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 20 July 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 16 March 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 31 October 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 29 April 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York