Both of these are available as a PDF.The FT polymath on a Saturday and the Generallist around the 25th of the month when the new Prospect magazine is issued.
Prospect generalist:
http://www.prospectma...ds/crosswords/188.pdf
You have missed the closing date for this one but it gives you some idea of the crossword. Like caspersuzy says the next one is due out online around the 25th
Missed Sunday Telegraph GK on original list too.