Helen's already been here on that one, Bingley. In response to Jo asking about what she knows as cheesecloth blouses, of troy said: the blouses Jo defined--(circa 1960) sheer to almost sheer-- in this country that fabric would be voile, or lawn..
http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=55220

Here's a site where you can view cheesecloth weaves:
http://www.alphasourceintl.com/cheese/cheesecloth2.htm

Finally found a good close-up of oxford cloth (scroll down):
http://store.yahoo.com/phoenixtextiles/l-117.html