Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Morita Y.,"F. Unno, A Study of the Financial Systems in the Medieval Germany",The Journal of Agrarian History,04933567,The Agrarian History Society (Renamed as The Political Economy and Economic History Society),1996,38,4,61-63,https://cir.nii.ac.jp/crid/1390282681071295232,https://doi.org/10.20633/tochiseido.38.4_61