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- The Spectator, 17 February 1877
- Year: 1877
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- The Spectator, 31 March 1877
- Year: 1877
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- The Spectator, 26 May 1877
- Year: 1877
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- The Spectator, 10 February 1877
- Year: 1877
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- The Spectator, 18 May 1878
- Year: 1878
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- The Spectator, 16 June 1877
- Year: 1877
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- The Spectator, 22 September 1877
- Year: 1877
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- Scientific American (Supplement), 26 November 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 7 January 1899
- Year: 1899
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 17 February 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 31 March 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 26 May 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 10 February 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 18 May 1878
- Year: 1878
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 16 June 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 22 September 1877
- Year: 1877
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 23 April 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York