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- The Spectator, 5 July 1890
- Year: 1890
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- The Spectator, 13 September 1890
- Year: 1890
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- The Spectator, 4 October 1890
- Year: 1890
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- The Spectator, 25 October 1890
- Year: 1890
-
- The Spectator, 14 June 1890
- Year: 1890
-
- The Spectator, 22 March 1890
- Year: 1890
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- The Spectator, 19 July 1890
- Year: 1890
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- The Spectator, 14 November 1891
- Year: 1891
-
- The Spectator, 2 May 1891
- Year: 1891
-
- The Spectator, 5 July 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 13 September 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 October 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 25 October 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 14 June 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 March 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 19 July 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 17 December 1881
- Year: 1881
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 14 November 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 2 May 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London