Correspondence regarding the Anglo-German Boundary Survey, with an index. The volume is divided into ten sections:
Correspondence with foreign governments on the expedition for fixing the frontier between German South West Africa and British Bechuanaland, 16 May 1904 - 5 September 1906.
Correspondence with the High Commission, including reports from Major Laffan on work being carried out; the appointment of an assistant, Mr B. de Vos Heathie, 19 December 1902; and part of the agreement for carrying out the survey, written by D. Gill and Professor A. von Danckelmann, 7 October 1896.
Correspondence with the Bechuanaland Government, 15 November 1900 - 25 October 1904, including correspondence between D. Gill and the Resident Commissioner, Mafeking, relating largely to the cost of the survey.
Correspondence between D. Gill and the Consul General of Germany, Cape Town, 28 November 1900 - 6 September 1905, including reports on work carried out, papers on expenses and a report giving the coordinates of all points in the Anglo-German Boundary Survey.
Correspondence between Major Laffan and D. Gill, 23 April 1900 - 13 August 1904, regarding the work being carried out and advice and instructions from Gill on how it should progress.
Correspondence between the Commissioner of the Anglo-German Boundary Survey and those carrying out the survey, 14 June 1900 - 8 October 1903, including proposals for the distribution of work time and a copy of Laffan's final report of July 1903.
Correspondence between D. Gill and the Surveyor General, Cape Town, November 1900 - 17 March 1903, including a set of observations for Upington, 9 April 1901, and a detailed set of figures giving the height of the stations used in the survey.
Correspondence regarding the purchase of various instruments for the survey, 26 June 1900 - 25 January 1904.
Correspondence concerning the accounts for various goods supplied for the survey, 7 September 1900 - September 1904.
Miscellaneous correspondence, 3 June 1901 - 25 May 1904.