Really pleased - finished this one without cheating! Must be learning something. But expert help needed to parse three
53a Obsolete big towns containing little space and filth.
Obscenities - contains cities and obs? But... little space?
19d Ringing caught long- tailed monkey without ring.
Clangour? But why?
37d Audacity of revolutionary English movement out of India
Cheekiness? But why?
Thanks!