-
- The Pall Mall Budget, 10 June 1881
- Year: 1881
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- The Times Of India, 31 December 1925
- Year: 1925
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- The Pall Mall Budget, 24 November 1882
- Year: 1882
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- The Pall Mall Budget, 2 February 1883
- Year: 1883
-
- The Pall Mall Budget, 29 December 1882
- Year: 1882
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-
-
- Scientific American (Supplement), 7 May 1904
- Year: 1904
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- The Pall Mall Budget, 1 July 1881
- Year: 1881
-
- The Pall Mall Budget, 10 June 1881
- Year: 1881
- Publisher: The Pall Mall Budget
- Language: English
- Place of Publication: London
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- The Times Of India, 31 December 1925
- Year: 1925
- Publisher: The Times Of India
- Language: English
- Place of Publication: Bombay
-
- The Pall Mall Budget, 24 November 1882
- Year: 1882
- Publisher: The Pall Mall Budget
- Language: English
- Place of Publication: London
-
- The Pall Mall Budget, 2 February 1883
- Year: 1883
- Publisher: The Pall Mall Budget
- Language: English
- Place of Publication: London
-
- The Pall Mall Budget, 29 December 1882
- Year: 1882
- Publisher: The Pall Mall Budget
- Language: English
- Place of Publication: London
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- Scientific American (Supplement), 3 September 1904
- Year: 1904
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- Scientific American (Supplement), 20 June 1903
- Year: 1903
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 7 May 1904
- Year: 1904
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 16 April 1904
- Year: 1904
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
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- The Pall Mall Budget, 1 July 1881
- Year: 1881
- Publisher: The Pall Mall Budget
- Language: English
- Place of Publication: London