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Photographs or other works published anonymously, under a pseudonym or the creator is unknown:
taken or published prior to 1 January 1955
B
Photographs (except A):
taken prior to 1 January 1955
C
Artistic works (except A & B):
the creator died before 1 January 1955
D
Published editions (except A & B):
first published more than 25 years ago
E
Commonwealth or State government held photographs or engravings:
first published more than 50 years ago, or if made before 1 May 1969, first made more than 50 years ago
means the typographical arrangement and layout of a published work. eg. newsprint. held means where a government is the copyright holder as well as would have held copyright but reached some other agreement with the creator.