- Cyfres1 - National Antarctic documents
- 411 mwy...
- EitemBB-GB-401 - British Foreign Office minute concerning the South Orkney Islands
- EitemBB-GB-402 - Semi-official British letter to France concerning Letters Patent
- EitemBB-GB-403 - Telegram to Falkland Islands authorities granting authority to Hubert Wilkins to make claims
- EitemBB-GB-404 - Telegram to the British Colonial Office concerning authority given to Hubert Wilkins to make claims
- EitemBB-GB-405 - Telegram from Hubert Wilkins concerning activities in Antarctica
- EitemBB-GB-406 - UK Parliamentary Debates, Bouvet and Thompson Islands
- EitemBB-GB-407 - Letter from Hubert Wilkins to Governor of Falkland Islands concerning discovery
- EitemBB-GB-408 - British despatch from Oslo reporting a discussion with Norwegian Foreign Minister concerning Dougherty Island
- EitemBB-GB-409 - Letter to Hubert Wilkins authorising him to claim territory
- 2396 mwy...