Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Masuda Shiro,Problems on the Feudalism in Western Europe,SOCIO-ECONOMIC HISTORY,00380113,THE SOCIO-ECONOMIC HISTORY SOCIETY,1965,30,3-4,221-225,https://cir.nii.ac.jp/crid/1390282680076366080,https://doi.org/10.20624/sehs.30.3-4_221