-
- The Spectator, 6 February 1892
- Year: 1892
-
- The Spectator, 4 July 1868
- Year: 1868
-
- The Spectator, 28 March 1891
- Year: 1891
-
- The Spectator, 27 June 1868
- Year: 1868
-
- The Spectator, 22 August 1891
- Year: 1891
-
- The Spectator, 25 July 1868
- Year: 1868
-
-
-
- The Spectator, 20 December 1890
- Year: 1890
-
- The Spectator, 22 November 1890
- Year: 1890
-
- The Spectator, 8 November 1890
- Year: 1890
-
- The Spectator, 3 January 1891
- Year: 1891
-
- The Spectator, 18 October 1890
- Year: 1890
-
- The Spectator, 23 May 1868
- Year: 1868
-
- The Spectator, 27 September 1890
- Year: 1890
-
- The Spectator, 26 July 1890
- Year: 1890
-
- The Spectator, 30 August 1890
- Year: 1890
-
- The Spectator, 2 August 1890
- Year: 1890
-
- The Spectator, 14 December 1889
- Year: 1889
-
- The Spectator, 4 January 1890
- Year: 1890
-
- The Spectator, 6 February 1892
- Year: 1892
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 July 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 28 March 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 27 June 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 August 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 25 July 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- Scientific American (Supplement), 17 January 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- Scientific American (Supplement), 10 January 1891
- Year: 1891
- Publisher: Scientific American
- Language: English
- Place of Publication: New York
-
- The Spectator, 20 December 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 22 November 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 8 November 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 3 January 1891
- Year: 1891
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 18 October 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 23 May 1868
- Year: 1868
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 27 September 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 26 July 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 30 August 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 2 August 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 14 December 1889
- Year: 1889
- Publisher: The Spectator
- Language: English
- Place of Publication: London
-
- The Spectator, 4 January 1890
- Year: 1890
- Publisher: The Spectator
- Language: English
- Place of Publication: London