Krivonogov,V.Ia. <br/><br/>
Naemnyi trud v gornozavodskoi promyshlennosti Urala v XVIII veke  V.Ia.Krivonogov 
V.Ia.Krivonogov 
 - Sverdlovsk  s.n.  1995 
 - negative  92 frames  10.5x14.5cm 
<br/><br/> Book published in 1959