1. The International Geographical Congress of 1895;Geogr J,1896
2. Appendix V—Medical;Macklin,1923
3. The Heart of the Antarctic;Shackleton,1999
4. Report of meeting of War Section Royal Society of Medicine meeting 13.1.1920;Lancet,1921
5. Roald Amundsen's Belgica Diaries,1999