Thanx dear borovik and redstar72 for Your informations.
By work on the Russian historic aircraft I use the following sites :
http://base13.glasnet.ru/ ;
http://www.aviarmor.net/ ;
http://www.tupolev.ru/Russian/ ;
http://www.navy.su/ ;
http://www.airwar.ru/ ;
http://www.airforce.ru/ ;
http://www.ctrl-c.liu.se/MISC/RAM/ ;
http://www.airpages.ru/ ;
http://eroplan.boom.ru/ ;
http://avicopress.ru/ ;
http://www.brazd.ru/ ;
http://www.avia-rest.ru/ and http://gysn.ru/ and http://il2.sloboda.net/aviaenc/ don't work anymore.
I'll be very grateful for any other useful sites.