Districts of the Omsk region. - Omsk Regional State Publishing House., 1936. - Sk. 180 - sewn with C.176-177; Sk. 185 - Stitched with C.182-183; Sk. 198 - Stitched from P.196-197; Sk. 201-208 - Stitched with the C.200-215; Sk. 211-220 - Stitched from C.218-237.
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