Sparro R. P., Dubakh A. D.  Osushenie bolot otkrytymi kanavami: Teoret. i prakt. rukovodstvo: S pril. smet, razlich. tabl., uzakoneniy, dogovorov, uslov. znakov i pr./Sparro R. P., Dubah A. D. Drainage of bogs by open ditches: Theoretical and practical guide: With attached estimates, various tables, laws, treaties, conditional signs, etc. In Russian (ask us if in doubt). - landofmagazines.com

TransliterationSparro R. P., Dubakh A. D.  Osushenie bolot otkrytymi kanavami: Teoret. i prakt. rukovodstvo: S pril. smet, razlich. tabl., uzakoneniy, dogovorov, uslov. znakov i pr.

In EnglishSparro R. P., Dubah A. D. Drainage of bogs by open ditches: Theoretical and practical guide: With attached estimates, various tables, laws, treaties, conditional signs, etc. In Russian (ask us if in doubt).

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