-
- The Spectator, 10 October 1891
- Year: 1891
-
- The Spectator, 18 June 1892
- Year: 1892
-
- The Spectator, 3 March 1894
- Year: 1894
-
- The Spectator, 10 September 1892
- Year: 1892
-
- The Spectator, 1 August 1868
- Year: 1868
-
- The Spectator, 4 June 1892
- Year: 1892
-
- The Spectator, 24 September 1892
- Year: 1892
-
- The Spectator, 27 August 1892
- Year: 1892
-
- The Spectator, 3 September 1892
- Year: 1892
-
- The Spectator, 17 September 1892
- Year: 1892
-
- The Spectator, 4 April 1891
- Year: 1891
-
- The Spectator, 6 June 1891
- Year: 1891
-
- The Spectator, 14 May 1892
- Year: 1892
-
- The Spectator, 3 October 1891
- Year: 1891
-
- The Spectator, 26 September 1891
- Year: 1891
-
- The Spectator, 23 July 1892
- Year: 1892
-
- The Spectator, 13 February 1892
- Year: 1892
-
-
-
- The Spectator, 19 September 1891
- Year: 1891
-
- The Spectator, 10 October 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 18 June 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 March 1894
- Year: 1894
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 10 September 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 1 August 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 June 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 24 September 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 27 August 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 September 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 17 September 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 April 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 6 June 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 14 May 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 October 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 26 September 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 23 July 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 13 February 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 28 March 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 11 April 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 19 September 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London