National Archives of Karelia : Archival Mosaic of Karelian Culture | |
"Report of the Committee for final reconstruction of Isaac"s Cathedral in St-Petersburg to the inspector of Ruskeala marble deposit on A.Monferrand"s study of the correspondence of colour and size of marble prepared for construction of Isaac"s Cathedral"
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National Archives of Karelia : Archival Mosaic of Karelian Culture | |