Greg,
This link might be some help to you: http://72.14.207.104/search?q=cache:hdj3zgZIfSIJ:www.wcml.org.uk/people/em/discs.htm+Dirty+Old+Town,+ewan+maccoll,+recorded+on+4
Please note that the search will be easier using Ewan MacColl--note spelling of name (no offense intended).