Wyniki
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An investigation into agricultural production in Masovia in the first half of the 17th century
Leonid Żytkowicz
Acta Poloniae Historica 18 (1968) s. 99-118 -
Grain yields in Poland, Bohemia, Hungary, and Slovakia in the 16th to 18th centuries
Leonid Żytkowicz
Acta Poloniae Historica 24 (1971) s. 51-72 -
Directions of agrarian development in south-eastern Europe in 16th-18th centuries
Leonid Żytkowicz
Acta Poloniae Historica 43 (1981) s. 31-73