Michael Sporn has recently posted some fantastic material on his "
splog". The first is an essay written by Yuriy Norshteyn that appeared in Animafilm 5 on March 1980. It is in English:
http://www.michaelspornanimation.com/splog/?p=2045 I've also made it into a
PDF, for those who prefer to read it offline.
The second is a portion of a book published in Japan by Tanya Usvavskaya which contains comics of her life working at Norshteyn's studio:
http://www.michaelspornanimation.com/splog/?p=2049UPDATE (30/11/09): Part 2:
http://www.michaelspornanimation.com/splog/?p=2058