In order to show particular cases of international law, political systems and history of western countries were often referred to and, therefore, it functioned as a source of information on situations in Europe and America which were thirsted at that time.
また国際法の具体的事例を示すために、欧米各国の政治制度や歴史をしばしば引用しており、当時渇望されていた欧米事情の供給源ともなった。