Krepostnaia manufactura v Rossii. Chast' II. Olonetskie mednye i zhelznye zavody  Edited by M.N.Pokrovskii 
Edited by M.N.Pokrovskii 
 - St.Petersburg  Izdatel'stvo Akademii Nauk  1995 
 - 176 frames  negative  10cmx14cm 
<br/><br/> Book published in 1931