Beekeeping in Pskov district

Khabachev, A.Beekeeping in the Pskov district: according to the courtyard statistical research and others / Comp.A. Khabachev.- Pskov: ed.Pskov.lips.Zemstvo, 1907. -[2], 26, 19 p.: Table., Schem., Cartgr., Il., Diagno .. -.1. The people (collection).2. Territory (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University