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- The Spectator, 31 May 1879
- Year: 1879
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- The Spectator, 24 May 1879
- Year: 1879
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- The Spectator, 12 April 1879
- Year: 1879
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- The Spectator, 15 March 1879
- Year: 1879
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- The Spectator, 19 October 1878
- Year: 1878
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- The Spectator, 7 June 1879
- Year: 1879
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- The Spectator, 28 June 1879
- Year: 1879
-
- The Spectator, 14 December 1878
- Year: 1878
-
- The Spectator, 3 May 1879
- Year: 1879
-
- The Spectator, 22 March 1879
- Year: 1879
-
-
- The Spectator, 7 December 1878
- Year: 1878
-
- The Spectator, 21 December 1878
- Year: 1878
-
- The Spectator, 16 March 1867
- Year: 1867
-
- The Spectator, 5 April 1879
- Year: 1879
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-
- Scientific American (Supplement), 24 December 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 31 May 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 24 May 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 12 April 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 15 March 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 19 October 1878
- Year: 1878
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 9 September 1882
- Year: 1882
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 3 September 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 10 December 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 7 June 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 28 June 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 14 December 1878
- Year: 1878
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 May 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 March 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 20 August 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Spectator, 7 December 1878
- Year: 1878
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 21 December 1878
- Year: 1878
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 16 March 1867
- Year: 1867
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- The Spectator, 5 April 1879
- Year: 1879
- Publisher: The Spectator
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 30 July 1898
- Year: 1898
- Publisher: Scientific American
- Language: English
- Place of Publication: New York