Maybe pictures of New York in a camera needing to be developed (9)
I believe the answer is:
americana
'be developed' is the definition.
I can't judge whether this defines the answer.
'maybe pictures of new york in a camera needing' is the wordplay.
'in a camera' can be anagrammed to 'AMERICANA'.
But, I am not clear how the anagram is indicated.
'to' is the link.
Can you help me to learn more?
(Other definitions for americana that I've seen before include "Objects from the New World" , "Traditional music" , "Things associated with the US" , "Artefacts distinctive of the US" , "Things linked to the US" .)