1. Acting Government Secretary. 1951. Copy of letter signed by L. Odgers to Mr J.R. [Reg] Halligan, 25 January 1951. National Archives of Australia, Canberra. Series A518 (A518/1), Control Symbol AV918/1 Part 2; Title: Papuan-Miscellaneous-Volcanic Eruption-Mt Lamington.
2. Administration. 1951a. International telegram from Port Moresby to the Department of External Territories, Canberra, Thursday 18 January at 1710 hours. National Archives of Australia, Canberra, Series A518 (A518/1), Control Symbol AV918/1 Part 1; Title: Papuan-Miscellaneous-Volcanic Eruption-Mount Lamington.
3. Administration. 1951b. International telegram from Port Moresby for Mr Halligan, Department of External Territories, Canberra, Tuesday 30 January at 0945 hours. National Archives of Australia, Canberra. Series A518 (A518/1), Control Symbol AV918/1 Part 2; Title: Papuan-Miscellaneous-Volcanic Eruption-Mt Lamington.
4. Administration. 1951c. International telegram from Port Moresby (Phillips) to secretary, Department of External Territories, Canberra, Tuesday 6 February at 1050 hours. National Archives of Australia, Canberra. Series A518 (A518/1), Control Symbol AV918/1 Part 2; Title: Papuan-Miscellaneous-Volcanic Eruption-Mt Lamington.
5. Administration. 1951d. International telegram from Port Moresby (Phillips) to secretary, Department of External Territories, Canberra, Tuesday 6 February at 1445 hours. National Archives of Australia, Canberra. Series A518 (A518/1), Control Symbol AV918/1 Part 2; Title: Papuan-Miscellaneous-Volcanic Eruption-Mt Lamington.