This review article offers the analysis of Łukasz Żurek’s three articles on the Teutonic state’s political system and the monetary policy it conducted, as well as on the Templars’ economic activity. Although published in journals registered on the ministerial list of scored journals, the articles fail to meet basic scholarly standards. The analysis of these articles has led the author to indicate two problems faced by Polish science today. First, in addition to relying on purely formal criteria, the ministerial evaluation of scholarly journals must take into account the scholarly level of the papers that have recently been published in the pages of the journals evaluated. Second, the author points to some dangers that lie in the adoption of an interdisciplinary approach by scholars who are not well-trained in the use of various research techniques typifying different disciplines.