Further clues are:
a newly married man helps a damsel in distress in his wife's absence (409)
is the house haunted or not? (401)
a jewel robbery (344)
a sort of modern day romeo and juliet (291)
a stolen necklace is returned (267)
If they are the first seven, What is the subject of the twelfth?
P.S if this is cryptic I'm not sure what the numbers in brackets relate to?
Any suggestions would be welcome!