00538naa#a2200157#i#450# EN\\bibl\100445 20250628130207.6 1998-6785 20250626b2025####ek#y0engy0150####ca RU Property differentiation of the Cossack estate of the Yakut region in the second half of the XIX – early XX centuries Journal article Vladivostok Vladivostok State University 2025 14 с. Journal article local Chertkov Alexei Sergeevich ojkum.editorum.ru