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