Sorry FLYBOYJ I tried to look up but I only found " fro sale " realted manuals....when you think that most copyright are expired...well this is an other subject.
A good start for you could be to send a nice Email to former soviet countires air museums.
here is the list of some of them : Aviation Museums Europe
A good start for you could be to send a nice Email to former soviet countires air museums.
here is the list of some of them : Aviation Museums Europe