http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Russian elite in the seventeenth century =
A Quantitative analysis of the "duma ranks" 1613-1713
Kopicestvennyj analiz sostava dumnyh činov 1613-1713 gg
Suomalaisen Tiedeakatemian Toimituksia. nide 322