About the overseers when educating

About the overseers during education: from the lecyclopedia / per.S. B. - St. Petersburg: [B.i.], 1770. -[2], 105, [1] s .. -Ex.: Without region..I. S. B..1.People (collection).Electronic copy source: PBPlace of storage of the original: GAUK RK "ALUPKINSKY PARANT-PAREMENT Museum-Reserve"