- https://dfat.gov.au/about-us/publications/historical-documents/volume-27/Pages/228-memorandum-critchley-to-waller -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-25/Pages/039-letter-from-waller-to-shann -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-25/Pages/076-cablegram-from-critchley-to-canberra -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-22/Pages/221-cablegram-to-belgrade -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-26/Pages/269-telex-warwick-smitth-to-hay -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-27/Pages/169-message-heath-to-macmillan -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-27/Pages/239-minute-audland-to-gallagher -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-25/Pages/232-prime-minister%25C3%2590%25C3%25A9%25C3%25B0%25C3%2589%25C3%25B0%25C2%25AEs-department-brief -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-27/Pages/193-minutes-common-market-negotiations-committee-meeting -
- https://dfat.gov.au/about-us/publications/historical-documents/volume-25/Pages/169-cablegram-from-barwick-to-beale -