33(1)(a)

contains information or matter the disclosure of which under this Act could reasonably be expected to cause damage to the security, defence or international relations of the Commonwealth
Section 33(1)(a) of the Archives Act 1983

1010

closed files

cite this as a reason you're not allowed to see them
60

years

is the average age of closed files that cite this reason, based on the date of their earliest content
108

series

contain closed files that cite this reason
19

years

is the average age of decisions to closed files citing this reason

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Here's some examples of closed files that cite this reason…

Series Control Symbol Title Contents dates
A6122 700 C P of A [Communist Party of Australia] Queensland - Wilston/Grange Branch 1949 - 1949
A6119 343 Ian Frank George MILNER volume 3 1944 - 1957
A6119 96 Ric Prichard THROSSELL Volume 2. 1954 - 1954
MP1155/1 V1962/30229 Paas, May 1961 - 1962
J27 MB11700 NEWMAN, William George - service number 3865; war widow Lucretia; [file only contains information on Lucretia NEWMAN] - [Box 139] 1976 - 1983
A816 14/301/412 Planning for co-operation in British Commonwealth defence (from conclusions of Council of Defence 1950) 1950 - 1951
A6122 737 Communist Party of Australia - Queensland - Sergeants Branch 1949 - 1949
A1946 1968/877 PART 1 Statement of US/Australian Co-operation in Space Research and Defence projects 1962 - 1965
A6122 1268 Submarines landing between Darwin and Arnhem Land (Film 17 metre 76) 1949 - 1961
A1838 100/4/13 Named country [imposed title, original title wholly exempt] 1956 - 1979
A6122 1023 Communist Party of Australia - Victoria, Schools 1949 - 1956
A1838 3034/2/1 PART 1 ANNEX Indonesia - Political - General 1958 - 1958
A6122 1061 Communist Party of Australia - New South Wales, Arrow Branch 1949 - 1958
A6980 S250758 Black September - terrorist activity - Part 2 1973 - 1973
AWM54 179/5/8 PART 20 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 20 of 23] 1945 - 1945
A6717 A111 Appointment of an additional assistant Trade Commissioner in Tokyo 1964 - 1964
A6122 563 CPA [Communist Party of Australia] - Committees NSW [New South Wales] - School Committee 1949 - 1949
A10872 100/1/1 PART 1 Australian Service : Charter and Functions, Part 1 [Australian Secret Intelligence Service, ASIS] 1952 - 1957
A1838 1212/5 Correspondence - cables. Overseas telecommunication channels. Cable and radio links. International and national communication bodies. 1938 - 1960
A6122 1094 Communist Party of Australia - Tasmania - illegal apparatus 1949 - 1956