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- The Spectator, 29 June 1895
- Year: 1895
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- The Spectator, 7 September 1895
- Year: 1895
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- Scientific American (Supplement), 18 February 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 15 April 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 8 July 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 29 June 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 7 September 1895
- Year: 1895
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 4 November 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 18 November 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 21 October 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 25 March 1882
- Year: 1882
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 9 September 1893
- Year: 1893
- Publisher: Scientific American
- Language: English
- Place of Publication: New York