Transport lots of collected works (9)
I believe the answer is:
omnibuses
This clue is a double definition.
'transport' is the first definition.
(I've seen this before)
'lots of collected works' is the second definition.
(omnibus can mean eg a literary collection)
(Other definitions for omnibuses that I've seen before include "Large volumes" , "public transport" , "traffic on the roads" .)