SOME IMPORTANT NOTES
Some Important Notes
Key to Document Types
https://www.rtrfoundation.org/webart/Archdata3.pdf
Key to Russian Terms for Genealogical Research
https://www.rtrfoundation.org/keyrus.shtml
Administrative Districts / Administrative-Territorial Divisions
https://www.rtrfoundation.org/admindist.shtml
Sources for Inventory Data
https://www.rtrfoundation.org/archdta7.shtml
Archival Codes for Data in the Surname Database
https://www.rtrfoundation.org/archdata3b.shtml
Language: Spelling of Locality Names, Alphabets and Accents, Transliteration
https://www.rtrfoundation.org/archdta9.shtml
RTR Foundation home page
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