-
- The Spectator, 2 December 1893
- Year: 1893
-
- The Spectator, 3 December 1892
- Year: 1892
-
- The Spectator, 12 November 1892
- Year: 1892
-
- The Spectator, 4 November 1893
- Year: 1893
-
- The Spectator, 14 October 1893
- Year: 1893
-
- The Spectator, 10 February 1894
- Year: 1894
-
-
-
-
- The Spectator, 26 January 1895
- Year: 1895
-
- The Spectator, 6 April 1895
- Year: 1895
-
- The Spectator, 24 November 1894
- Year: 1894
-
- The Spectator, 25 May 1895
- Year: 1895
-
- The Spectator, 3 August 1895
- Year: 1895
-
- The Spectator, 2 February 1895
- Year: 1895
-
-
- The Spectator, 4 May 1895
- Year: 1895
-
- The Spectator, 30 March 1895
- Year: 1895
-
- The Spectator, 18 May 1895
- Year: 1895
-
- The Spectator, 10 November 1894
- Year: 1894
-
- The Spectator, 2 December 1893
- Year: 1893
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 December 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 12 November 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 November 1893
- Year: 1893
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 14 October 1893
- Year: 1893
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 10 February 1894
- Year: 1894
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 19 September 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 29 August 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 12 September 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 26 January 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 6 April 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 24 November 1894
- Year: 1894
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 25 May 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 August 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 2 February 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 20 May 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 4 May 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 30 March 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 18 May 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 10 November 1894
- Year: 1894
- Publisher: The Spectator
- Language: English
- Place of Publication: London