This is one reliable source of capacitors of the type you'll need, there are also several others others:-
https://www.cricklewoodelectronics.c...for-Audio.html
There's a special section in the forum to request help:-
http://www.vintage-radio.net/forum/f...play.php?f=145
On the other hand, something like this may be of interest to you in your area:-
http://www.vintage-radio.net/forum/s...d.php?t=131511