Weekly Resume (No. 117) of the Naval, Military and Air Situation from 0700 November 20th, to 0700 November 27th, 1941.
http://www.nationalarchives.gov.uk/d...doc_Id=7961685
can be downloaded for free, lots of data on submarine activities, this particular one is about the med but encompasses all allied subs operations : greeks, dutch, polish, british etc...
it's downloadable for free
and there are more !!!!
keltos