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- The Spectator, 13 April 1867
- Year: 1867
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- The Spectator, 11 January 1879
- Year: 1879
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- The Spectator, 30 March 1867
- Year: 1867
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- The Spectator, 11 January 1879
- Year: 1879
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- The Spectator, 19 April 1879
- Year: 1879
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- The Spectator, 13 April 1867
- Year: 1867
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 24 September 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 11 January 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 30 March 1867
- Year: 1867
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 11 January 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 19 April 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 17 September 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 1 October 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 17 December 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 12 November 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York