Watson, Robert Spence
[MS 264 - Portrait-Photographie von Watson]
London : Elliott & Fry, 1890 [um 1890][MS 261 - Brief Watsons an Schulze-Gävernitz]
Gateshead on Tyne, 26/04/1892 [26th. April 1892][MS 262 - Brief Watsons an Schulze-Gävernitz]
Gateshead on Tyne, 28/05/1894 [28th May 1894][MS 263 - Brief Watsons an Schulze-Gävernitz]
Gateshead on Tyne, 16/07/1897 [16 : VII : 1897]