Kablukov,N.A. Lektsii po ekonomii sel'skago khoziastva chittanyia v moskovskom universitete v 1895/6 g. pr. dotsentom N.A.Kablukovym N.A.Kablukov N.A.Kablukov - Moscow s.n. 2000 - negative 119 frames 10x15cm Book published in 1897