G. D. L. McGregor
Das Burenfreikorps von Deutsch-Südwestafrika, 1914-1915- Die Eingeborenen Passmarken von Deutsch Südwest Afrika =
- Die Eingeborenen-Passmarken von Deutsch Südwest Afrika
- German medals, British soldiers, and the Kalahari desert
- Medals of the South West African Police, 1981-1990
- Medals of the South West African Police, 1981-1990
- Medals of the South West African Prisons Service, 1981-1990
- Medals of the South West African Prisons Service, 1981-1990
- Medals of the South West African Prisons Service, 1981-1990
- South West African wheel tax badges, 1926-1961
- The first world war in Namibia
- The history of Freemasonry in Namibia, 1905-2019