Collected works of conservative secret author (5)

I believe the answer is:

canon

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'collected works' is the definition.
(I've seen this before)

'conservative secret author' is the wordplay.
'conservative' becomes 'C' (UK political abbreviation).
'secret author' becomes 'anon' (I have seen 'prolific author' mean 'anon' so perhaps 'author' could also mean 'anon'. I am not sure about the 'secret' bit.).
'c'+'anon'='CANON'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for canon that I've seen before include "General principle; musical round" , "Standard" , "accepted criterion" , "General principle or senior priest" , "Senior clergyman" .)

I've seen this clue in The Irish Times.

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