-
- The Spectator, 26 November 1881
- Year: 1881
-
- The Spectator, 3 September 1881
- Year: 1881
-
- The Spectator, 24 February 1866
- Year: 1866
-
- The Spectator, 2 July 1881
- Year: 1881
-
- The Spectator, 7 May 1881
- Year: 1881
-
-
-
- The Spectator, 8 January 1881
- Year: 1881
-
- The Spectator, 19 February 1881
- Year: 1881
-
- The Spectator, 5 March 1881
- Year: 1881
-
- The Spectator, 22 January 1881
- Year: 1881
-
- The Spectator, 26 February 1881
- Year: 1881
-
- The Spectator, 8 June 1867
- Year: 1867
-
- The Spectator, 12 February 1881
- Year: 1881
-
- The Spectator, 5 February 1881
- Year: 1881
-
- The Spectator, 13 November 1880
- Year: 1880
-
- The Spectator, 21 January 1882
- Year: 1882
-
- The Spectator, 30 October 1880
- Year: 1880
-
- The Spectator, 27 November 1880
- Year: 1880
-
- The Spectator, 25 May 1867
- Year: 1867
-
- The Spectator, 26 November 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 September 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 24 February 1866
- Year: 1866
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 2 July 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 7 May 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 13 May 1899
- Year: 1899
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 20 May 1899
- Year: 1899
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 8 January 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 19 February 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 5 March 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 January 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 26 February 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 8 June 1867
- Year: 1867
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 12 February 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 5 February 1881
- Year: 1881
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 13 November 1880
- Year: 1880
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 21 January 1882
- Year: 1882
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 30 October 1880
- Year: 1880
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 27 November 1880
- Year: 1880
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 25 May 1867
- Year: 1867
- Publisher: The Spectator
- Language: English
- Place of Publication: London