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- Scientific American (Supplement), 5 May 1894
- Year: 1894
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- The Spectator, 1 July 1871
- Year: 1871
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- The Spectator, 20 January 1866
- Year: 1866
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- The Spectator, 17 August 1872
- Year: 1872
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- The Spectator, 29 July 1871
- Year: 1871
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- The Spectator, 30 December 1871
- Year: 1871
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- The Spectator, 26 October 1872
- Year: 1872
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- Scientific American (Supplement), 19 May 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 12 May 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 28 April 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 5 May 1894
- Year: 1894
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 1 July 1871
- Year: 1871
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 20 January 1866
- Year: 1866
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 17 August 1872
- Year: 1872
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 29 July 1871
- Year: 1871
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 30 December 1871
- Year: 1871
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 26 October 1872
- Year: 1872
- Publisher: The Spectator
- Language: English
- Place of Publication: London